Season 1 (1973)
001: YESTERYEAR
002: ONE OF PLANETS IS MISSING
003: THE LORELEI SIGNAL
004: MORE TRIBBLES, MORE TROUBLES
005: THE SURVIVOR
006: THE INFINITE VULCAN
007: THE MAGICKS OF MEGAS-TU
008: ONCE UPON A PLANET
009: MUDD'S PASSION
010: THE TERRATIN INCIDENT
011: TIME TRAP
012: THE AMBERGRIS ELEMENT
013: SLAVER WEAPON
014: BEYOND THE FARTHEST STAR
015: THE EYE OF THE BEHOLDER
016: JIHAD
Season 2 (1974)
017: THE PIRATES OF ORION
018: BEM
019: PRACTICAL JOKER
020: ALBATROSS
021: HOW SHARPER THAN A SERPENT'S TOOTH
022: THE COUNTER CLOCK INCIDENT