During one of their trips, the Doctor and Clara find themselves in Samaritan's stronghold. After being forced to leave Clara behind, the Doctor turns to Team Machine for help in saving her. Doctor Who: pre-series 9 Person of Interest: 2 months after the season 4 season finale

While investigating a mysterious room in the subway tunnels, Reese disappears. The reappearance of an old friend with a new face and his blue box informs Finch of one thing: finding Reese is not going to be easy. Little does he know that finding Reese will be the easy task. Rated T for blood and battle. Never slash.

On a sunny and rather peaceful day, Harold Finch and John Reese recieve the number of one Rose Tyler. This is when their most amazing and strangest adventure starts. /The first chapter is from PoI's side, the second DW side, and the third is when everything collides. Pairings: Finch/Reese, the Doctor/Rose

*SPOILERS* One-shot fix-it doubling as a Person of Interest/Doctor Who crossover: What if Harold had actually picked up the phone but the Machine didn't give him a number in the November 19, 2013 episode "The Crossing?" How does the Doctor and the TARDIS fit into all this?

Their trip to New York was meant to be fun. A diversion. The Doctor and Donna didn't count on John Reese-and all he brought with him. The Doctor is no stranger to secrets, and the Man in the Suit might be keeping a few of his own. Rated T for safety.

This is for the Irrelevant Gift Exchange that I wrote for a fellow tumblr user! Harold Finch finds a small silver key in his bookshelf and remembers.

A strange little boy meets a strange old man and his strange young granddaughter. A prequel to "Close Encounters of the Tenth Kind."

River Song keeps showing up in John Reese's life, to great chaos. Here are four times he wished she hadn't and one he wished she had. A sequel to "Interlude Before The Angels" but can stand alone. Three chapters will be by guest authors.

After Root, Harold Finch ventures to England to visit with Brian Pond (i.e. Williams) about a mutual friend. A triple crossover (with the George Smiley series) and a sequel to my story "Interlude Before The Angels."

Reese and Finch are given a minor errand to do for the Doctor and become part of life-changing events. Spoilers. A sequel to my "Close Encounters of the Tenth Kind" and continues with "Old Spies, or Mr. Finch Goes To Tea" and "Four Times Reese Wished River Hadn't Come, and One He Wished She Had."

In the course of a case, Reese and Finch meet the Tenth Doctor and Martha, and Reese learns something new about Finch. Finch and Martha quarrel and perform triage. Sequels are "Interlude Before The Angels" and "Old Spies, or Mr. Finch Goes To Tea."

As a boy, Harold Finch met a madman with a box, and his life changed forever. As an adult, he met him once again, with equally massive consequences.