Cheerleader - S1-E6
Continuity mistake: When Kerry is doing her Cheerleader tryout routine, Bridgit's entire posture changes instantly several times.
8 Simple Rules... For Dating My Teenage Daughter (2002)
1 continuity mistake in season 1
Starring: John Ritter, Katey Sagal, Kaley Cuoco, Amy Davidson, Martin Spanjers
Volleybrawl - S3-E17
Continuity mistake: VollyBrawl: When CJ finds out it was Cate who threw the hotdog, Cate's position changes between instant camera cuts.
C.J.: Got a wing with your name on it, buddy.
Jim: Don't get carried away.
Goodbye (1) - S2-E4
Trivia: The first episode to air following John Ritter's death, it was filmed without a laugh track or live studio audience.
Question: What exactly are the eight rules?
Answer: It would probably be breaking copyright (and rather long) to post them here, but here's a link to the author's website where they are listed: http://www.wbrucecameron.com/columns/8rules.htm.
Myridon