Revealing mistake: We can see Ecliptor's zipper from behind - slightly revealing on Saban's part, considering Ecliptor is supposed to be an evil monster henchman of Astromena's.
The Powerpuff Girls Best Rainy Day Adventure Ever / Just Desserts - S2-E10
Revealing mistake: When the van drives upstairs, you can see that it wasn't destroyed.
The Tomb-Keeper's Secret - S2-E46
Revealing mistake: Whilst discussing Marik with Ishizu, there is a wide shot of the bedroom where Joey says, "What if it's too late to save Marik from the evil that's inside of him?" In this shot, there is an animation error with Serenity's head. Serenity has her head turned to face Ishizu, but the turned head appears to have been poorly pasted over another version of Serenity's head that is facing directly forwards. (00:04:44)
Revealing mistake: When Gamora is warning Silver Surfer to think about what he is saying, the gallery of characters behind her are the exact same on both mezzanines.
Deathfist 5: Major Crimes Unit - S2-E15
Revealing mistake: There's a stunt featuring two-way too obvious body doubles for Kelly Hu and Gretchen Egolf rolling over a table; not only the stunt itself is rather underwhelming and blatant, but also the objects on the table disappear just so the two can perform it.