Our favorite duo are having relationship issues and learn some interesting things on an impromptu road trip (Vegas, Baby!). Leonard and Amy help each other with family issues. AR/AU/OOC - Disclaimer: The Big Bang Theory belongs to Chuck Lorre.

AU. Harry, Ron, and Ginny send themselves back in time to avoid the destruction of everything they hold dear, and the deaths of everyone they love.

Alternate Universe. Two hurting, almost broken people reach toward the sunlight. This story has implied sexual violence and a Ginny who is two years younger than she was in canon.

When Penny wakes up in Vegas with Sheldon passed out in bed next to her, she thinks the only way they can stay friends is if he never finds out what she's done. What she doesn't realize is that he also has a secret of his own. AU from season 4, episode 6. *Shenny*

Sheldon's dreams of meeting a race of superior beings is finally realized, but it's nothing like he had hoped...

Kate's rescue becomes the linchpin of change in her relationship with Castle, and events from that night lead to resolution for them both. **Voted Best Crime Fic on The 12th Precinct Castle Fanfiction Awards.**

This is kinda an AU of S9 when Sheldon decides to start dating again. it's a plot bunny that wouldn't go away... just some fluff. hope you all like it a little bit. it is not Beta'd. enjoy.

Sometimes it takes making a few mistakes to get to where you need to be. A re-imagining of S9. Shenny of course. slow burn, fluff and drama.

Shenny AU. Starting with the pilot. Sheldon thought a homo novus was immune to seduction and physical allure. But when a beautiful, mouthy neighbor elicits new sensations in him, Sheldon must discover a novel side of himself he never anticipated.

Leonard and Amy want to move their relationships forward and turn to science for the answer. Sheldon and Penny wind up doing it the old fashioned way. I don't own it. I just enjoy playing with it.

Alexis walks into the loft studying the scene before her, Martha and Kate on the sofa with her father on the floor more importantly her grandmother feeding a baby. "Alexis, meet your brother." A different take on when Alexis walks into the loft in 6x10

CASKETT: What should have happened during and after the couch scene in "To Love and Die in LA"... In my opinion anyway. Rated M for a very good reason. For those that know me this is really, REALLY NOT FEMSLASH! (But there will be more of that soon!)

Kate Beckett is the new nanny for Richard Castle's young daughter, trying to pay back loans and attending Community College as a way to build up credits for her entrance into the Police Academy. She takes the job as delightful Alexis's nanny thinking that it would just be that; a job. But she finds herself falling for her charge's father and finds his affections returned. AU

He had never felt so confused in his entire life. He needed to talk to someone. Someone who knew all about this 'kissing' business. He needed to talk to Penny. Set after 4x21 (where Amy kisses Sheldon). Threeshot at present with room for more. Penny x Sheldon.

When Sheldon's Vulcan hearing detects the Beta Test conversation, he decides to intervene in an unexpected manner. After all, the definition of insanity is doing the same thing and expecting different results. Will his efforts be successful? Spoilers through episode 5.14, AU after that.

Penny can no longer take the anger, pain and unhappiness that is her life. So, she makes some big changes, starting with her circle of friends.

It should have brought them closer together, not torn them apart – she understands this now. What she doesn't know is whether any way back for them still remains. Future fic - Complete. **Winner of 'Favorite M rated Fanfic Multi-chp' in the 2013 Castle Fanfic Writers Guild Awards**

Young Kate Beckett had looked for a night to forget only to find it turned into one she would remember for the rest of her life. AU

Per Season 7, Episode 1, while Leonard was away on the North Sea expedition, he proudly showed a youtube video of a nude scene Penny had done for the never-released film Serial Apist to his shipmates. This is what happens when Penny finds out about it. This is now a multi-chapter story and a Shenny tale. Please note that the rating is now M, primarily for language.

NEVER trust Howard Wolowitz when he offers you a pill-Sheldon finds this out the hard way and Penny must help him with the afteraffects. Thanks to Jislane35 for the beta! (unbetaed from chapter 4 on).

"Time Will Tell" AU, set after The Limey. How would things have turned out differently if the time traveler case had happened in Season 4?

To the girl at the table near the back of the library...

[DISCONTINUED] Pregnancy is a miraculous thing. It's a time filled with wonder and mystery. Temperance Brennan has read the books, she's done the research. But is she really ready for what the next forty weeks will bring? Note: This story is being discontinued as incomplete and unlikely ever to be finished.

A four-year-old, a mall, and finding something you didn't even know you'd lost. Sometimes all it takes is a chance encounter for everything to fall into place. AU with echoes of canon.

The world of Castle and Beckett is pretty much as we know it; catching bad guys, cracking jokes, feeding birds... But this time, there are a few small differences in the life of our favorite female Detective.

Sheldon is tired of Amy always pestering him to engage in coitus. So he proposes an experiment that he believes she will decline to participate in, only—she doesn't. And Penny thought it would just be another boring Saturday night alone… *One Shot* Warning: Rated M for a reason.

People always ask her why she stays. She responds simply and with a smile. "Because I love him."

"It would just be research for the case, Castle."

After a vivid dream, Beckett thinks she's been given a second chance. When she begins to doubt the reality surrounding her, there is only one person she can think of who has come up with crazier things than what she's living through.

A/U where the guys meet Stuart's new cashier, a cos-playing Nebraskan blond named Penny. Dedicated to my hubby, who gave me the idea.

The guys invite Penny to Vegas with them for a science convention…

He always had this vague, half-formed desire for a family with Kate Beckett. He just never expected it to happen like this. - for Laura. I hope you had an amazing birthday!

ALTERNATE EPISODE to 6.10 - Fish Guts Displacement. Penny gets sick. Sheldon takes it upon himself to take care of her in her time of need - hasn't she done the same for him twice in the past? Yes, there will be VapoRub and a nerve-wracking bath of indeterminate temperature, plus more!

An A/U story set in 2003 and forward. Katherine Beckett is running from the nightmare her life has become, and as the fates would have it, she runs immediately into Richard Castle and his young daughter. Leaving this open ended, because it isn't over until I say it's over.

While cleaning, Sheldon discovers a box under Penny's bed that he probably should have never seen. PWP. Kink warnings inside.

When Sheldon and Penny begin sharing dreams, their relationship changes in ways they never anticipated. Sheldon/Penny. Multi-chap. COMPLETE.

Kate was only looking to spend time with her son at the park, but what found her there was a chance to meet the man that saved her years ago. AU. Complete.

In the days after "Saturnalia Miracle 2008," Penny and Sheldon's relationship begins to change. They go with it. Rated for coitus; rating applies starting in chapter 11.

In a casual conversation about the zombie apocalypse, Leonard realizes something about the relationship between his ex and his roommate.

Sheldon Cooper is crazy, but also kind of made of awesomeness. Or at least that's how Howard puts it. Penny thinks there's a possibility he's made of sexy, and really, the world must be ending if she has to suppress wayward urges to kiss him.

Penny knows what she wants in life. At least, she used to. Howard and Bernadette's wedding sets off a series of events which will change her life forever. Plans change and Penny will have to learn the hard way how to adapt.

Castle is backing off the sexual innuendo, letting Kate know he'll always be there. Kate is silently seeking and accepting more. A little back and forth. Chapter 52 up 03/19/12! *Reposted 3/20 due to FFnet errors.

AU. Detective Kate Beckett is separated and raises her son alone. She meets Richard Castle by accident, literally, on the tenth anniversary of her mother's death, turning her life upside down.

Formerly Defense for Two. Adopted from Perspicacity with permission. They thought Lockhart was a fraud. They were wrong; he was their guide into a world of danger, adventure, intrigue and other Unspeakable Things.

What if Penny said yes in Episode 5.10?

Co-authored story by Topsy and chezchuckles. While Beckett has been struggling with PTSD, with becoming more, Castle has been struggling as well.

Beckett said that next time, they should do it without the tiger. This isn't really what she'd had in mind.

Without the promise of an acting career, Penny falls into a downward spiral. One person desperately wants her to get out of it.

Penny drags Sheldon onto a ship for a possible acting gig, trouble ensues and leaves Sheldon and Penny in one heck of a mess. Penny/Sheldon fic. Updated for the holidays

The guys participate in a Holiday Fundraiser Bachelor Auction for the university and Sheldon is less than interested. What happens when he's actually got a winning bidder? Just a sweet, one shot fluff for the holidays. R&R and ENJOY IT! Very Shenny!

What if Penny never slept with Raj but with a certain blue-eyed Physicist? This is what season 5 would be like, at least in my shipper mind. Continues immediately from the season 4 finale. Possibly spoilers from season 1-4. Penny/Sheldon *Chap. 20 added

Sheldon's son was looking for a way to cheat on his physics exam. Except he ended up in 2011, then totally pulled a Marty McFly, and screwed up the moment his parents were supposed to fall in love...

Penny unintentionally causes the termination of Sheldon and Amy's Relationship Agreement. References to 5x10 "The Flaming Spittoon Acquisition."

When Kate Beckett went to get her book signed by Richard Castle, she never imagined that she'd end up meeting his daughter, much less offering to babysit for the afternoon. AU.

This will be my Kalexis collection. One-shots of my favorite duo who do not get enough screen time together! Non-romantic. Rated for language in later chapters.

Penny discovers Sheldon's superpowers. COMPLETE, M.

by Sandiane Carter and chezchuckles. AU. Assuming all things are equal, the watch is for the life she saved; the ring is for the life she lost; but the bracelet is for the life she misses. SPOILERS for Boom! from Season Two. COMPLETE

COMPLETE at 100. AU: Kate and Castle try to adjust to life as parents. Check out AC's preview video on youtube: /watch?v nARnCrP2Z98 Thanks AC!

Penny makes it easy for Sheldon to become 'one of the idiots' in ten simple stages… Shenny: suggestive/mild.

Kate starts to get cold feet about her new little family and worries about what Martha and Alexis think, mainly Alexis, not wanting to replace her mom. Will Kate decide to stay? Better summary inside.

The zombie apocalypse has come and gone, Sheldon and Penny have survived. Now, 4 years later, something is bothering Sheldon. Had to change the rating for chapter 4, pretty much complete now.

Rick Castle, who kept her from freezing to death and held her hand in front of a bomb, prepared to die with her, wasn't who she was going home with. Kate's night after the end of Countdown.

Another response to the Kink MEME at livejournal: The boys debate whether size matters, and when Sheldon ridicules their pre-occupation, they decide that he's not packin' much.

Penny and Sheldon begin to view each other in a new light through the simple touch of a back massage. Slight Shenny. Spoilers for the Season 4 finale. One-shot.

sheldon and penny have been dating for some time now and penny finds out somehting big but how will she tell sheldon? one shot. just some fluff first BBT fanfiction. used to be called the baby grow

Hanabi's 'Sheldon Wants A Baby' Challenge. I saw this and was instantly inspired. Just a silly little oneshot.

A just-for-fun storey about Penny and what she'll do to avoid causing disturbance in Sheldon's Tuesday routine. Probably fluffy and maybe even OOC.

Kaley Couco once said in an interview that she's 'waiting for Penny to get knocked up, because it's only a matter of time'. If only she knew who the father would be. Shenny oneshot R&R READ AUTHOR'S NOTE

Penny thinks she's found the perfect girl for Sheldon. Rated M for later chapters.

Third installment of this impromptu little series. No need to read the other two, but "Even Writers Get Bored" is first, and then "Even On A Good Day." This is all about the fluff. T Rating for safety.

Sheldon is curious about human mating rituals.

It should have been easy. Sheldon ruins Penny's date, Penny ruins Sheldon's shower. Yes, it should have been very easy indeed.

Follows "Sheldon's plan." Rated M for later chapters. Shenny.

Sheldon and Penny are making chocolate covered cherries when education gets interesting... Dedicated to Medusa.

Beckett isn't feeling well and Castle can tell.

YASBF Yet Another Soul Bond Fic starting with the Chamber of Secrets. Harry and Ginny have to learn to live with a bond that steals away their privacy and leaves them dependent on each other and frightened for their future.

A slightly OC fic featuring our favourite nerd and waitress, intended to satisfy all you Shenny lovers out there who want a little more smut. Warning: This fic's graphic, so know what you're getting into.

When Leonard asks Penny the question that all girls wait to be asked, Sheldon is less than prepared for his reaction to her response, and that scares him more than anything's ever scared him before.

Penny gets a fortune cookie that prompts her play Truth, and go for what she wants. One-shot

Sheldon and Penny finally get their chance to see the Hadron Collider and each other as well.

While waiting for the birth of their first child, Sheldon and Penny accompany the gang to the comic book shop, and run into Will Wheaton... Sequel to 'Purr, Purr, Purr' and prequel to 'The Baby Postulation'. Will be multi-chaptered. Now Complete!

Sheldon is Penny's responsible friend while she recovers from anesthia, with interesting results! Just a fluffy lil oneshot..

Penny finds a lost toddler outside her apartment one evening and goes to Leonard for help, but only Sheldon knows what's really going on... Penny/Sheldon

Sheldon gets sucked into the future for a few minutes. It's all he needs to see what he could stand to lose.

It took her awhile to realize how much those small moments of her life actually meant. And that, if she allowed them, they would start to comprise a lifetime of happiness. Sheldon/Penny

One night leads to a reevaluation of everything she's ever known. Sheldon/Penny

Sheldon has decided that marrying Amy would be a suitable and mutually beneficial arrangement. Penny helps him realize that he is wrong.

She could not stand it anymore. They constantly bickered. And there was seemingly no end to it insight. She knew there must be some way to truly get to him beyond the usual strikes. The results of her theory were unexpected. RATING CHANGED!

Penny and Sheldon enter into a physical, but potentially damaging relationship. A collaboration between Lady Houston and Medusa20 We've created our own account!

A collaboration between medusa20 and myself. Penny's daughter travels back to the year 2011 to enlist the gang for help in stopping an evil corporation from stealing technology.

*Complete* Every journey has to start somewhere. This one began when Penny found an alternative to paintball, and Sheldon dusted off an old skill.

Hidden talents that Penny has. Definitely a Penny/Sheldon romance.

What if Penny's nighttime visits to Sheldon's room were just what they seem?

This is how I would have liked the beginning of The Gothowitz Deviation to have happened, at least in my shipper mind .

The story of what happens when Peter learns the truth.

Sheldon and Penny are stuck with each other. Literally.

Jacksonville Spoilers. What lengths is Olivia willing to go to make Peter not glimmer?

Penny is about to move away and Sheldon has a revelation about what Penny means to him.

Oneshot. PWP except, dude, I can't write fic without at least *some* plot. And the more I wrote, the more plot happened. I'M SORRY. Penny, Sheldon, formal wear, an oopsie, and smut. I apologize for the sap.

Sheldon wakes up to a problem. SHELDON/PENNY

SP - When Leonard proposes, Penny is forced to confront the feelings she’s been denying. Feelings for an entirely different physicist with blue eyes and an inclination for being difficult.

It's one of those sweet moments where Sheldon is being playful without his usual condescension. Five moments where Sheldon told Penny something, and the one time she told him.

Sheldon and Penny play the drinking game "Never have I ever..."

DARK!FIC. Plenty of angst. A foray out of the sit-com world. Penny is attacked and reaches out for Sheldon's help.

Purple may go out of style, but love never does. Inspired by that cute little Walterism from the beginning of "The Bishop Revival" and Peter/Olivia all the way.

Sheldon Cooper discovers something surprising and elemental about himself when Penny, once again, is in his spot. Takes place in AU after Leonard and Penny have ended their relationship. Please read and review!

Sheldon likes his own clothes. So does Penny. Yet, here they are, dressed up like puppets, as they prepare for a Caltech party held in Sheldon's honor. L/P, then S/P.

Sheldon/Penny. It takes her a while to realize she's being wooed. Future-fic, set after L/P breakup.

After parting ways, Beckett shows up at Castle's door.

A faceless man at a party stirs feelings in Penny she thought she'd long since forgotten. Little does she know, the stranger is even closer to her than she ever imagined. Sheldon/Penny ONESHOT

His inner voice politely didn’t mention that he had also chosen to forgo romance and intimate relationships because they were, on the whole, quite frankly beyond him. sheldon/penny, two-parter, complete, dedicated to arabian, sequel to Calling Bluffs

“It is absolutely paradoxical; we cannot understand it, and we don't know what it means, but we have proved it, and therefore we know it must be the truth.”- Benjamin Peirce. sheldon/penny, oneshot

Alternate scene from The Electric Can Opener Fluctuation with refs to Bath Item Gift Hypothesis, so may be spoilers. Sheldon gets his revenge on Leonard. M for rudeness and swears. Now complete with epilogue.

Sheldon and Penny are new parents and it's not as easy as Penny thought it would be... A collection of Penny/Sheldon stories also some Raj/Missy, Leonard/Leslie, Howard/OC

The guys are returning home from the Arctic and Penny is excited about their return. a/n Originally started as a one shot, but needed a tidier bow. Thanks for the props!

Penny suffers a loss and it raises some strong feelings in the group. Angst, rated M for potential sauciness and slightly adult themes. My second attempt at fanfic. As before, reviews very much appreciated! Now with a teeny epilogue.

Penny goes to 4A to spend a night of passion with Leonard...and finds out she had made a mistake.

Penny and Sheldon, one shot smut in a car park. That's about it, really. Missing scene from The Grasshopper Experiment. Just written and posted, sorry for any mistakes...

Sheldon returns from the Arctic. Absolutely S/P.

Raj can suddenly talk to Penny and he is determined to find out why this change happened. Penny/Sheldon-ish

Penny always made Sheldon's chemicals react. Sheldon/Penny, Leonard/OC

Sheldon teaches Penny to dance and discovers some feelings he never knew he had. Just a bit of fun for my first attempt at fanfic. Reviews appreciated, but please be gentle!

Penny and the kids were part of Sheldon's daily routine. Sheldon/Penny oneshot.

Penny made an announcement that changed Sheldon's life.

Sheldon has a plan, but Penny's not sure she can go along with it. How far will Sheldon go to convince her?

He could be awkward, and he could be a prick, but she never expected to one day find this side to him. S/P fluffy love love Enjoy!

Once the boys left Pasadena for the North Pole, the biggest heat wave in a decade hit the west coast. And then Penny's air conditioner died. And then she flashed Howard from 3,300 miles away. P/S. D

Post- Episode for 'The Dead Hooker Juxtaposition' P/S 'ship. Alicia's arrival, and words, cause Penny to doubt her relationship with the guys.

A harmless little dream sends Penny into a frenzy and denial. Sheldon has similar issues. Neither is sure what to do. Penny/Sheldon. Rating for later chapters. A/N: Thanks for all the great reviews. 6/10 - Expect an update this weekend :

A Valentine's Day Sheldon/Penny Fanfic. What happens when Sheldon and Penny both find themselves alone on Valentine's Day. Rated M for sexual situations.

Jate. Kate interferes the kidnapping of a doctor's daughter

Harry is still angry but this year he has a person to blame. A secret trunk, a kitten with a secret and an secret potion. Complete!

It's the summer before Harry's 6th year, and Harry is wracked with grief. But what happens when Harry makes a vow to himself to take control of his life? Harry's life takes a sharp turn when he gets an unexpected visitor one night. HPGW Independent!Harry

Dr. Allison Cameron has a secret .. will House's curiosity spark a different kind of interest in our lovely immunologist?

This is an AU story of what could have happened after the OOTP!

Brennan thinks she understands what sex is all about...until Booth gives her a glimpse that makes her think otherwise. But who's teaching whom? And what will they learn...?

Dr. Allison Cameron returns to PPTH a year after House got shot with someone to introduce to him. Rated M for language and suggestive stuff.

AU What if Harry knew he was a wizard and about the prophecy before he went to Hogwarts? What if he was kicked out of the Dursleys and decided to attend Hogwarts disguised as a muggleborn? Harry Ginny

Booth is forced to deal with not only his sons abduction, but the fact that Bones was taken also, as she attempted to rescue Parker. Not great a great summary, but please give it a chance. B&B. Chap.10 error has been fixed. Please R&R

First, Brennen tries to rationalize what love to Seeley Booth means, then she has a secret to tell and she may never get the chance. After that it's up to fate...

Follow House and Cameron and Cuddy and Wilson through parenthood, and watch as their children grow up. Sequel to Play the Game.

An alternate universe tale, breaking off at the end of An Echolls Family Christmas. The starting point is: what if the security guard who tried to block Keith's entrance had been a little more on the ball?

ChaseCameron. After the events of 'Hunting' Chase and Cameon explore a relationship going further than either had intended.I edited CH 1

HouseCam...What happens when Cameron's brother dies and leaves her with everything. [Chapter 14 is up]

An AU what if Logan came to see Veronica after the verdict was read

Harry Potter is just beginning his fourth year at Hogwarts and unknowingly a letter from the Weasleys will open up his eyes to a whole new world and possibly seeing a young red head in a new light? HPGW

Sometimes, all that's needed is a little angelic intervention. Except this Angel isn't exactly angelic. HouseCameron Rating for language content. Temporarily on hiatus.

We have to succumb to the feelings we can never face. HouseCameron.

Sorry it took me so long to figure it out. HouseCameron and that's the way it will stay. Lol. Please read and review. COMPLETE

Fear can immobilize you. It can also be the catalyst for amazing change. COMPLETE! HouseCam

Cameron finds something to share with House, but it's not what she ever would have wanted. HCam eventually.

Logan doesn't know everything, and not everyone knows about Logan. Rating subject to change, spoilers up to Mars vs. Mars, bit of an AU afterwards. LoganVeronica friendship.

Veronica gets a late night visit from Logan

Laura realizes her feelings for Sam, once he almost loses him forever. I suck at summaries, so just rr.

BA fic - total AU – Tragedy strikes Buffy Summers’ life, for a second time, sending her spiraling out of control. - COMPLETE

B/A fic - 7 years post GD2, post-s6/3, Angel returns to Sunnydale and finds Buffy in and unusual situation with Spike (B/A reunion fic, but also Spike-friendly...angsty, w/happy ending) *COMPLETE*