Walt Davis

After attacking an outpost, Romulans battle the Enterprise.

In the first episode to feature the Klingons, Kirk and Spock intervene to offer protection to the people of a planet caught dangerously between the Empire and the Federation. But the seemingly lethargic Organians turn out to have a few surprises of their own.

Tipped off by a crazed runaway who is far more than he seems, Kirk investigates an experimental facility at Tantalus II for mentally ill criminals and finds a sinister scheme behind its amazing research.

Wonder Woman (LYNDA CARTER) is pitted against a former Army Colonel who has become an enemy agent and wants to destroy a new Air Force test plane.

A man vanishes after a UFO sighting and Wonder Woman discovers the aliens may have started their conquest of Earth.