The Best Episodes Written By David Gerrold

The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles.

Director: Joseph Pevney

Writer: David Gerrold

Will and Holly save a Pakuni ape-boy named Cha-Ka from Grumpy the Tyrannosaurus Rex.

Director: N/A

Writer: David Gerrold

While searching the Lost City, Will and Holly are captured by lizard-men which are known as Sleestak.

Director: N/A

Writer: David Gerrold

When Slimer passes through Egon's latest invention, he is broken up into thousands of tiny Slimers that coat the city in a layer of green goo. However, the Ghostbusters' solution to the problem only results in a large – and angrier – Slimer.

Director: N/A

Writer: David Gerrold

Cyrano Jones introduces tribbles that cannot reproduce.

Director: Hal Sutherland

Writer: David Gerrold

A teenager enraptured with magicians goes to a flee-bitten circus to seek out one of the greater: Kharma. However, Kharma now does cheap magic for the crowds, and none of the great illusions the teenager believes him capable of. When Kharma refuses to do them, the kid heckles him until Kharma relents and uses the boy as a subject for his greatest feat of levitation. However, Kharma dies of a heart attack, and the boy simply keeps on levitating...up into the sky and out of sight.

Director: John Harrison

Writer: David Gerrold

Captain Kirk has a second run-in with the conman, Harry Mudd. Mudd is now the supreme ruler of a planet of androids who cater to his every whim.

Director: Marc Daniels

Writer: David Gerrold

Captain Kirk races against time to acquire plague-fighting minerals from a world in the midst of a civil uprising against a grievous social class disparity.

Director: Jud Taylor

Writer: David Gerrold

Logan, Jessica and Rem encounter a time traveler from the past who is trying to discover what caused the nuclear war 200 years earlier.

Director: N/A

Writer: David Gerrold

An alien couple comes to Dr. Franklin with their fatally ill son. The child could be cured by a simple operation, but the parents' religion specifically forbids it. Meanwhile, Ivanova escorts a damaged star liner through raider territory.

Director: Richard Compton

Writer: David Gerrold

The Enterprise crew is joined by a unpredictable alien called Ari bn Bem, an independent observer from the planet Pandro.

Director: Bill Reed

Writer: David Gerrold

In the 1950s a flying saucer crashes on Earth. The crash is seen by a couple. They run into town, but no one believes them.

Director: N/A

Writer: David Gerrold

Just before sliding out and escaping a small army, Mallory is shot with a laser beam and paralyzed. His only chance of walking again lies in a group of spiritual healers, but their cure could be much worse than being paralyzed.

Director: Richard Compton

Writer: David Gerrold

Fast-talking politician Bo Gumbs finds himself in serious trouble when he arrives for a meeting and waits at a nearby hotel.

Director: Armand Mastroianni

Writer: David Gerrold