Erica, now officially in charge of the global Fifth Column, leads them in a high risk attack against Anna. Anna meanwhile, growing closer in her plan to destroy humanity, finds a major obstacle in a certain Live Aboard candidate; and Ryan sneaks back onto the Mothership to try and rescue his daughter.

Cast: Elizabeth Mitchell, Morris Chestnut, Joel Gretsch, Logan Huffman, Laura Vandervoort, Charles Mesure, Morena Baccarin, Scott Wolf, Jane Badler, Charlie Carrick, Kennedi Clements, Zak Santiago, Harrison Xu