Daren A. Herbert

Peter asks Olivia's help in going to the Other Side. Walternate's aid is needed when Walter refuses to help Peter employ the Machine to return to his own timeline. Meanwhile, the threat of the prototype shapeshifters grows and an old enemy returns.

Tess orchestrates an explosion on a private jet to get Clark to reveal his powers; Davis discovers a surprising way to control the monster within.

Clark receives a mysterious package containing the crystal that Tess found in the Arctic. When he touches it, it transports him and Lois to the Phantom Zone where they meet Kara.

Kyle, Josh and Nicole help a pregnant teen with her delivery; Lori and Jesse fight, while Stephen is left alone at home.

Tom gains a powerful new weapon against the Espheni; Ben attempts to extract enemy plans; Pope discovers that Tom is alive; the 2nd Mass must reassess their situation when an unexpected visitor appears.

Weaver discovers the shocking truth about an old friend; Maggie and Isabella are forced to work together; the 2nd Mass attempts an escape.