CBS's newest sitcom, Bad Teacher, is an adaptation of 2011's film starring Cameron Diaz. The hunt to find the teacher bad enough to fill Cameron's shoes was clearly over when Ari Graynor walked into the picture. If you aren't familiar with the hilarious and talented actress, you need to get to know her ASAP. Check out the video to see which films you may recognize Ari from, and then go watch her new show and tell us what you think!