Continuity mistake: During the battle in Callisto's cave hideout, Callisto leaves her sword behind when she runs to her chariot. When Callisto sinks in the quicksand, her sword and dagger are not seen. When Xena encounters Callisto in the underworld in "Intimate Stranger", Callisto's sword and dagger have reappeared.
Xena: Warrior Princess (1995)
1 continuity mistake in Return of Callisto
Beware Greeks Bearing Gifts - S1-E12
Revealing mistake: At the end when Xena is fighting Deiphobus, he pushes her up against a large rock, every time she hits the rock it moves, as if it were foam.
Trivia: This was the 2nd of a two part episode, and the script had to be totally re-written as a mostly Xena Free episode due to Lucy breaking her pelvis in an accident on the Jay Leno show.