Deliberate mistake: When Homer is watching Weird Al's parody of his song, he never turns the t.v. on and it isn't already on, but somehow it turns on.
![The Simpsons](/images/titles/3000-3999/3501_sm.jpg)
The Simpsons (1989)
1 deliberate mistake in That '90s Show
Continuity mistake: When Homer's Vegas wife shows him the video in front of Marge, it shows Homer kissing Ned. This didn't happen when she showed it in the Vegas episode.
Homer's brain: It's simple, just use reverse psychology.
Homer: Reverse psychology? That sounds too complicated.
Homer's brain: Alright, don't use reverse psychology.
Homer: Alright, I will!
Trivia: The Simpsons holds the record for most guest stars; it is also the only non-variety show to have had appearances from three former Beatles (Paul, George and Ringo).
Question: Which episodes feature the "Howling Dog" (usually used on outside shots of buildings)?
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