When the U.S.S. Enterprise finds that all the adults in the Starnes Expedition to Triacus have killed themselves, they beam to the planet's surface to investigate. The children, however, are alive and well and strangely oblivious to their parents' fates. They are beamed aboard the U.S.S. Enterprise while Kirk searches for an answer to the strange occurrences. The children summon their "friendly angel" Gorgan, who tells them to take the U.S.S. Enterprise to a planet he can control.

James Doohan (Lt. Cmdr. Montgomery Scott)
Craig Hundley (Tommy Starnes)
James Wellman (Prof. Starnes)
Melvin Belli (Gorgan)
Majel Barrett (Nurse Christine Chapel)
Nichelle Nichols (Lt. Uhura)
George Takei (Lt. Hikaru Sulu)
Walter Koenig (Ensign Pavel Chekov)
Pamelyn Ferdin (Mary Janowski)
Caesar Belli (Steve O'Connel)
Mark Robert Brown (Don Linden)
Brian Tochi (Ray Tsing Tao)
Lou Elias (Technician #1)

• Dreadful. Just dreadful.