- 8.4/1042 votes
#1 - The Trouble With Tribbles
Season 2 Episode 15 - Aired 12/29/1967
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
- 8.0/104 votes
#2 - Cha-Ka
Season 1 Episode 1 - Aired 9/7/1974
Will and Holly save a Pakuni ape-boy named Cha-Ka from Grumpy the Tyrannosaurus Rex.
Director: N/A
Writer: David Gerrold
- 8.0/102 votes
#3 - The Sleestak God
Season 1 Episode 2 - Aired 9/14/1974
While searching the Lost City, Will and Holly are captured by lizard-men which are known as Sleestak.
Director: N/A
Writer: David Gerrold
- 7.5/106 votes
#4 - More Tribbles, More Troubles
Season 1 Episode 5 - Aired 10/6/1973
Cyrano Jones introduces tribbles that cannot reproduce.
Director: Hal Sutherland
Writer: David Gerrold
- 7.5/102 votes
#5 - Levitation
Season 1 Episode 19 - Aired 5/19/1985
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
- 7.3/1036 votes
#6 - I, Mudd
Season 2 Episode 8 - Aired 11/3/1967
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
- 7.0/109 votes
#7 - Believers
Season 1 Episode 10 - Aired 4/27/1994
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
- 7.0/101 votes
#8 - Man Out of Time
Season 1 Episode 5 - Aired 10/17/1977
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
- 6.8/1029 votes
#9 - The Cloud Minders
Season 3 Episode 21 - Aired 2/28/1969
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
- 6.2/104 votes
#10 - Bem
Season 2 Episode 2 - Aired 9/14/1974
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
- 6.0/101 votes
#11 - A Day in Beaumont
Season 1 Episode 58 - Aired 4/11/1986
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
- 5.5/102 votes
#12 - New Gods for Old
Season 5 Episode 5 - Aired 7/16/1999
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
- 3.0/101 votes
#13 - If the Shoes Fit...
Season 1 Episode 18 - Aired 5/12/1985
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