Hello Nurse - S3-E58
Continuity mistake: In the scene where Miss Nurse struts downtown past onlookers on either side of the road, Yakko and Wakko switch places between shots.
Continuity mistake: The number of steps leading up to the Warner Bros. administration building changes from five to four after Mr. Plotz kicks the Goodfeathers trio out of his way.
A Very Very Very Very Special Show - S4-E11
Continuity mistake: When the Warners approach Mr. Plotz on the beach, Yakko hints about winning the Humanitarian Animation Award and makes a motion with his right arm. But once the shot changes, Yakko's arms are crossed instead.
Ten Short Films About Wakko Warner - S4-E23
Continuity mistake: In Film 5 (My Dinner with Wakko), while recounting his visit to the Mayan ruins, Dr. Scratchansniff's teapot vanishes from the table between cuts.
Pitter Patter of Little Feet - S4-E26
Continuity mistake: The exam room's doorknob vanishes in one shot - at the point where 'the little man from the draft board' gives Brain a reflex test.
Continuity mistake: When Mindy is following White Rabbit through a cottage, the number of cookies on the kitchen table keeps changing with every shot.
Continuity mistake: After taking a long look at the cluttered recording studio, the conductor starts running and busts through a wall. Between shots, the doorknobs on the exit vanish.
Answer: According to the Animaniacs Wikia: "Baloney is one of the few people capable of truly terrifying Yakko, Wakko and Dot, largely due to being impervious to their violently physical brand of humour and his inability to understand how much they despise him."
lionhead