NOTE: Set in Season 3 (Halloween III) for Brooklyn Nine-Nine and Series 2 (post-Christmas Invasion) for Doctor Who

During the yearly Halloween Heist, Detectives Jake Peralta and Amy Santiago meet a mysterious man called the Doctor and his "companion," Rose Tyler. The four learn a mystery about Jake's past that sends the quartet on an adventure through time and space. But Torchwood is rising and the new TARDIS team might be ripped apart...

David Tennant as The Tenth Doctor

The Oncoming Storm

"Detective Peralta, Detective Santiago, would you like to come with us?"

Andy Samberg as Detective Jake Peralta

A Dark Legacy's Light

"Bigger on the inside, title of your sex tape."

Billie Piper as Rose Tyler

The Bad Wolf and Companion to the Doctor

"Fine. I admit it. I fancy the Doctor, but... I'm scared to tell him. How did you tell Jake you liked him?"

Melissa Fumero as Detective Amy Santiago

The Wanderer and Companion to the Detective/Jake Peralta

"Rose and I made our choices a long time ago. I choose you and our friends, Jake."

Quick note: In this AU, the Doctor and Rose met in 2014. Enjoy!