Archer and the NX-01 find themselves in Earth’s past, with events of World War II altered by the Temporal Cold War.

With Silik’s help, Archer hones in on the temporal operative who altered Earth’s past and threatens to destroy all of time.

Jerry takes a shy “”geek”” under his wing, but when she leaves the nest too early, his own eggshell ego begins to crack.

An invisible man gets into Star Labs, and releases a neurotoxin with Tina inside the lab. Then he starts killing scientists who worked on the project. Flash must find the…