It was yet another great week for viral Internet videos last week, and we've compiled the 10 best that had everyone talking.
Among our favorites: Hilarious parodies ('When Harry Met Sally 2,' starring Billy Crystal and Helen Mirren), on-air news pranks and a New York-based hot dog that costs, yep, $69.
Watch them all below.
For the first time ever, a contestant on American Idol sang a song from '90s grunge-gods Nirvana. Casey Abrams, who missed a show last week when he was hospitalized for a bowel condition, kept the drama going on Wednesday night's telecast with his out-of-left-field selection of "Smell's Like Teen Spirit."
The reactions from judges Steven Tyler and Randy Jackson to Abrams' performance w