Eddie Paskey

After landing on planet M-113, the Enterprise is stalked by a creature which can assume the shape and form of anyone it chooses and which kills by removing the entire salt content of its victims' bodies.

Two crew members develop god-like ESP capabilities when the Enterprise passes through the edge of the galaxy while searching for the Valiant.

While investigating the deaths of a research team on Psi 2000, the Enterprise is infected with a virus that causes crew members to behave irrationally.

When the Enterprise encounters a mysterious spacecraft, Captain Kirk is forced to bluff his way out of a dangerous situation.

A slippery con man and his three stunningly beautiful lady friends make a big impression on the Enterprise.

A transporter malfunction causes a double of Captain Kirk to appear - one that embodies his wild, negative side.