Fourteen years ago Cosima Niehaus lost her childhood sweetheart in a tragic accident. Just when Cosima thought her life couldn't get any stranger she bumps into Clara Oswald, a woman who looks exactly like her old girlfriend, sending her off on a trip down memory. Her first instinct is that Clara is the result of another cloning project. If only the truth was that simple...

The league of villains is offered an alliance with a group of outsiders who specialise in behavioural analyses, missing persons and working to dismantle the darkest depths of society. Meanwhile Hawks, forced to set aside his ideals for the commissions desires, becomes entangled in a complex web of revelations, bloodshed and deceit.

Sam leaps to Germany, as the wall falls down.

Sam leaps in Camila Torres

El poder es una fuerza compleja, un poquito te lleva a querer más, pero cuando eres amo y señor de un enorme país, cuando la vida de muchos dependen de lo que tú decidas, se desdibujan los límites. Y cuando tu único límite es la muerte, debes buscar la forma de trascenderla. (2do lugar en el Reto "¡Crossovea… si te atreves!" del foro "Hasta el Final de la Pradera")

The other members of clone club see Cosima as a weak link, barely capable of saving herself if DYAD came looking for her. But she is keeping a secret from her sister clones, she was a teenaged super hero. Rejected and abandoned by her former team mates, she is desparate to keep her past buried. Secrets have a nasty habit of coming out at the worst possible moment though...

Sam leaps into Helena...enough said

The Cormiers' were on the wrong side of wizarding history, but there was nothing Delphine could do about it. Ostracized from her family and struggling to make friends, Delphine finds acceptance within a house she wasn't sorted into and love with someone the school least expects to blossom. Will the love she finds with Cosima last the trials and tribulations of the wizarding world?

Dr. Beckett Leaps into previously mentioned but never seen clone, Alex Williams.

Summary: The Winchesters are investigating the appearance of multiple dead bodies that are all the same woman, identical in looks to Cosima Niehaus who was reported missing, and they find a lead in the form of an artist who happens to have multiple paintings of Cosima. When the Winchesters meet Felix, things go sideways.

Shay doesn't show up for the Sapphire date, instead Cosima meets a charming British woman who promptly hands over her phone number. When the same phone number appears in Ethan Duncan's copy of The Island of Doctor Moreau, Cosima had no idea that she had just met the author of the book, HG Wells herself. A further meeting gives her a rare opportunity, a chance to visit Warehouse 13

Sam deals with the fallout of the Helsinki Massacre, but not even Ziggy knows when he is

Sam discovers that his leaping has changed forever

Project Quantum Leap has finally lost its' budget money, in comes Dyad to buy them out

Set straight after Season 4 of Orphan Black - LaF helps Scott recover some of the research/data lost in the hack, with help from JP. Danny helps Benjamin rescue Sarah and Cosima from the island. Siobhan isn't playing games anymore, she's ready to take down Brightborn, DYAD and anything or anyone else, who gets in her way... this time for good, for the sake of her family.

Bechloe one-shot based on the song 'Nicotine' by Panic! At The Disco. Warning! A lot of self-harm in this story may be triggering. As of the chapter 'Do I Wanna Know' it will include characters from Orphan Black.

An unbeta'ed random Wynonna Earp/Orphan Black drabble. I'm not really sure where this came from, except that I like badass women.

Siobhan Sadler finds herself in a small town named Rosewood. Veronica Hastings finds herself in a remote hotel in her hometown. What happens when both women meet?

Clara has downloaded a dating app called Sapphire, and, with the encouragement of her best friend Nina, she arranges to meet an attractive scientist at a bar in Central London. Clara gets to the bar and suddenly gets cold feet, deciding to leave, when her date arrives... This is a shameless crossover indulgence between Doctor Who's Clara Oswald and Orphan Black's Cosima Niehaus

Just a crazy mash-up of two of the most awesome shows ever! A stand off between Sarah and Rachel, like Jon Snow vs. Ramsay Bolton. Kira is caught in the middle and things look bad. Warning: spoilers for both series!

Cormier and Niehaus are Trill symbionts who love each other throughout three lifetimes. Part 1: An unabashed take on the best friends secretly in love trope, Clexa style. I have no shame. Part 2: Shaw must solve a mystery involving a beautiful, but deadly number with ties to a past life, aka, a four alarm fire at a 24th-century oil refinery, Root x Shaw style.

Delphine dies and Cosima becomes depressed until she meets the doctor they begin to travel together but Cosima has one mission in mind to save Delphine , she meets past versions of her along the way and instantly learns at the end the truth behind loving all of one person

Clarke and Lexa make the connection of a lifetime at summer camp, only to discover that this is the first time their families have connected. A Parent Trap AU for OBCrack on her birthday. Written with lots of love and a few side winks. Enjoy!

Two old friends meet up to talk about the strange turns their lives have taken.

Carmilla y Cosima son vampiros y salen la noche de Halloween a por alguna víctima.