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We covered the best commercials of the decade, so in the name of due diligence, now we're divulging the worst. It's tough picking contenders when you've got ads for bladder control, erectile dysfunction and tampons, but we've done our best to choose a cross-section of the dumbest and most annoying commercials of the decade.

Read on for our picks, including Quiznos rats, depressing Skittles, and freaky Santa stalkers. We hope you'll share your own favorites in the comments below.