What Remains

When Elisabeth, Jim, Malcolm and Taylor investigate radio silence at a nearby scientific outpost, they discover an outbreak of a mysterious virus causing memory loss, paranoia and eventually death. The group must work together to find a cure before they lose their sanity and all of Terra Nova is infected.

Grace

Carrie continues to surveil Brody but is unable to follow his actions into his garage which is a blind spot, where Brody begins to perform an Islamic prayer. Meanwhile, Carrie receives visual confirmation from an undercover agent that shows Al-Qaeda member Abu Nazir on video meeting with the Royal Prince of the Kingdom of Saudi Arabia.

Alone in the World

Two young bullies are found dead and in just a few hours they rot to an advanced state of decomposition. The Fringe team investigates and uncovers an amorphous figure claiming more victims. Walter becomes increasingly distracted with his mental state.