Revealing mistake: There is an Amazon ritual being performed where the character has to be cut on the arm, but you can see the blood on the knife before the blade touches her arm.
Xena: Warrior Princess (1995)
1 mistake in To Helicon and Back
Fins, Femmes and Gems - S3-E18
Trivia: When Gabrielle is singing, she is singing to the tune from the hit TV series The Beverly Hillbillies.