The full second season of the original Star Trek television show featuring 26 episodes on seven discs, including such episodes as "Amok Time," "Who Mourns for Adonais?," "The Changeling," "Mirror Mirror," "The Apple," "The Doomsday Machine," "Catspaw," "I Mudd," "Metamorphosis," "Journey to Babel," "Friday's Child," "The Deadly Years," "Obsession," "Wolf in the Fold," "The Trouble with Tribbles," "The Gamesters of Triskelion," "A Piece of the Action," "The Immunity Syndrome," "A Private Little War," "Return to Tomorrow," "Patterns of Force," "By Any Other Name," "The Omega Glory," "The Ultimate Computer," "Bread and Circuses," "Assignment: Earth."