Claudia and the Secret Passage - S1-E8
Stupidity: The fact that Kristy found the ring that was missing for 40 years just sitting on a windowsill in the secret passage makes no sense; Dawn and Claudia were just by that window earlier in the episode in broad daylight.
Upvote valid corrections to help move entries into the corrections section.
Suggested correction: We don't actually see where Kristy found the ring; it was dark, and the girls were chaotic.