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.

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

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

When the Enterprise arrives at planet EXO-III to learn what has become of a certain Dr Roger Korby, he is found alive and well, but Captain Kirk has serious doubts about the good doctor's sanity when he learns of his plan to repopulate the Universe with androids - especially when he learns who is at the top of the list.