Nikolai Witschl

Emma and Regina race to find Henry before Gold finds him; Snow, David and Zelena are imprisoned and face two disturbed individuals.

When a piece of Atom's suit falls into the wrong hands during a massive fight, professor Stein decides to turn to someone brilliant for help -- his younger self; Carter helps Kendra recover an important memory.

When a scientist suddenly commits suicide, Mulder and Scully investigate what unseen force may have driven him to it. What they uncover is a laboratory where extreme genetic experimentation has been going on for decades, breeding subjects who possess unexpected and dangerous powers – and who harbor deep resentments.

Rip decides to weaken Vandal Savage by going after his financial assets. Rip and Sara infiltrate Savage's bank, but are discovered by his men. Meanwhile, Snart and Rory talk Jax into taking the jump ship back to Central City so they can steal a valuable emerald. Professor Stein guides Ray on a dangerous mission.