When John an d Cara clash, she offers a serious ultimatum on The Tomorrow People. "Things Fall Apart" is the 13th episode of the show's first season.

Pictured in this Tomorrow People Season 1 scene: Luke Mitchell as John and Madeleine Mantock as Astrid.

Stephen is in a bad spot. This is a photo from The Tomorrow People episode "Things Fall Apart."

Run, Stephen! He's off in this scene from The Tomorrow People.

John and Cara have already had to start fresh, thanks to a dalliance with Stephen. Viewers saw sparks fly when Stephen's BFF saved and cared for John when he was shot and, frankly, maybe they deserve a break. It's easy to root for people who give each other a fresh look, and John and Astrid do just that.

Stehphen makes a deal with Jedikiah on The Tomorrow People. "Brother's Keeper" is the 14th episode of the show's first season.

Stephen Jameson is featured in this photo from The Tomorrow People. It is from the episode "Brother's Keeper."

Stephen and Julian have their lives on the line on The Tomorrow People. "Enemy of My Enemy" is the 15th episode of the show's first season.

This is a pretty cool shot from The Tomorrow People. It is from "Enemy of My Enemy."

With a new breakout out there, who will get the new recruit first on The Tomorrow People.

This is a photo from "Superhero." It's a key Tomorrow People Season 1 episode.

Cara is shocked to find a new breakout is someone from her past on The Tomorrow People. "Endgame" is the 17th episode of the show's first season.