The Best Episodes Written By Leigh Dana Jackson

Stephen is upset with Jedikiah for going back on his word, leaving Stephen to face The Founder. In order to protect Astrid, Stephen has to make a dangerous deal to bring in a powerful break-out. John and Cara clash, forcing Cara to issue a harsh and unexpected punishment. Meanwhile, Stephen learns a surprising secret about his mom.

When the Tomorrow People learn the truth about the serum they were injected with, Stephen and Cara attempt to buy time for Jedikiah while he tries to create a possible antidote. Growing impatient, Russell and the other rogue Tomorrow People make a rash decision to sacrifice Roger to Ultra for their own safety. Meanwhile, John is having a hard time figuring out his new role and the only one he can turn to for advice is Astrid.

Fed up with Jedikiah’s constant lies about his father, Stephen makes a choice about his alliances. Trusting in Ultra and Hillary, Stephen wants to bring in a break-out to Ultra to see if things have really changed, much to Cara’s dismay. Meanwhile, Stephen’s brother goes missing after Jedikiah forces Stephen to protect him.

Michael locks Peter and Alan in a pit. Alan escapes and discovers that Kyle has a secret of his own. Agnes reveals a shocking truth to Michael, who drastically turns on her for doubting him. In the future, Caleb uncovers Walker's deception and takes matters into his own hands.

Following a run-in at school, Nicole has a difficult but necessary conversation with her son. A mysterious figure from Mark's past resurfaces.

The Navy prepare to implement Plan B, a final solution to ensure that the virus and everyone infected with it never make it off the island.

With the crooked man closing in and a final confrontation seemingly inevitable, a terrified Nicole tries to protect Dion by fleeing the city.

A flashback reveals the origin of Gaal’s conflict between faith and science. The standoff on Terminus takes an unfortunate turn.

The Empire recruits Bel Riose to investigate the resurgent Foundation. Hari leads Gaal and Salvor to a desert planet.

Queen Sareth and Dawn share a moment as she tries to learn more about Day. Brothers Constant and Poly bring Hober Mallow to Terminus.

After Carter escapes from the police precinct, he must put his trust in the CTU as he plans a meet up with Grimes to do the exchange. Meanwhile, Rebecca and Donovan try to isolate the leak and Amira and Harris deal with a slight hiccup in their plan.

In the aftermath of Jenny and Joe's run-in with Sophie, Abbie is in deep water with Reynolds. Meanwhile, the Witnesses deal with lasting implications of the shard and find themselves in grave danger as they come face-to-face with a greater evil than they could have imagined.

As The Hidden One grows stronger, Crane must examine his past with Betsy Ross to find the key to stopping him. Meanwhile, Jenny wonders if she can ever have a relationship with her father, and Abbie faces a hard decision as things with Reynolds become more strained.

Andy uncovers important information about a high-ranking government official, leading Carter and Donovan to team up and find out more. Meanwhile, a reinforcement is brought into CTU to oversee operations.

Carter and Grimes try to make a deal with the leader of a smuggling ring in order to find out the location of the terrorists for whom they've been searching. Meanwhile, Amira and Khasan get a visit from an unexpected guest, while progress is made on the leak.

With the Deadfast Club squarely in GhostFace’s crosshairs, the group decides to turn the tables and set a trap for their would-be killer... only to be shocked by what it catches.