The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: In "Graveyard Shift," when Squidward says to that guy they think is the hash-slinging slasher, "If that was you on the phone and you on the bus, then who was flickering the lights?" look at the "order here" sign. It says "order hear" instead of "order here," which it reads in previous shots during this episode.
Other mistake: When Veemon, Armadimon and Hawkmon are about to rush in and save Gatomon, a previous frame of Hawkmon's beak stays on-screen. (00:16:15)