Noah gets some unexpected visitors, while Claire arrives at the carnival as Samuel’s plans progress. Elsewhere, Peter confronts Sylar and discovers that extreme measures are necessary to stop him.
As Noah hosts a Thanksgiving dinner, an unexpected guest visits the Petrellis. Meanwhile, Lydia tries to discover the truth about one of the carnival’s secrets.
Tess takes steps to learn what Lois saw in the future: a powerless Clark subservient to Zod, and Chloe and Oliver leading a resistance group against the Kandorians.
As Matt continues his battle to resists Sylar’s mental domination, Tracy struggles to control her ability and Samuel learns how to tap into the full power of his.
Zan and Jayna come to Metropolis and assist the Blur with his fight to take down crime but several of their rescue attempts fail, which leads Clark in trouble with the District Attorney.
Claire tries to determine who is responsible for the attacks on Gretchen and Annie. Sylar maintains his control of Matt, and Peter uses his newly gained ability to help Emma.
It’s a race against time to find Jor-El when Clark realizes that he is on Earth and Zod realizes that he could hold the key to their powers. Chloe is the first to meet him, while Zod enlists Tess.
It is revealed that Sasha faked her pregnancy. Adrianna relapses and buys drugs from Jasper, who is a drug dealer. Jen and Ryan make their relationship official and Liam still thinks he has a shot with Naomi.
A trip into the past may give Hiro another chance to save the love of his life.
Oliver offers to train a new girl, Mia, to keep her safe from danger. Lois and Clark are stunned when a TV morning show wants both of them to be their new hosts.