In the Pale Moonlight - S6-E19
Revealing mistake: As Sisko is threatening Tolar in the simulator, Tolar's prosthetic mask can be seen to bend awkwardly against the wall, as if made of rubber.
Star Trek: Deep Space Nine (1993)
1 revealing mistake in In the Pale Moonlight - chronological order
Revealing mistake: As Kurn is chastising Worf in the infirmary, the actor's prosthetic nose has become detached from the rest of the Klingon make up. You can see the nose wobbling around as he talks.
What You Leave Behind (2) - S7-E26
Quark: The more things change, the more they stay the same.
More trivia for Star Trek: Deep Space Nine
Emissary (1) - S1-E1
Question: Did Nana Visitor's hairstyle change from her first appearance in the episode to the next scene when they were going down the stairs?