Audio problem: Rem's lips don't move when he says "Good luck" to the aliens.
Audio problem: Joanna says, "I sent two of the crew after them", but her mouth does not move.
Logan's Run (1977)
2 audio problems in season 1 - chronological order
Starring: Gregory Harrison, Donald Moffat, Heather Menzies-Urich, Randy Powell
Genres: Sci-fi
Logan's Run - S1-E1
Revealing mistake: The pyrotechnic charge to planted in the wall to show the impact/explosion of the Sandman's pistol is visible before the Sandman fires at Logan and Jessica.
Trivia: Heather Menzies-Urich and Angela Cartwright appeared together in this episode and also in the original film "The Sound of Music" as Von Trapp family sisters.