11/16/2012 01:05 pm ET

PSA Parodies: 20 Of Our Favorites (VIDEO)

PSAs may be serious business when they're done in earnest to raise awareness about diseases and political causes, but they also provide a perfect format for comedians to do some pretty ridiculous stuff.

Worried about cannibalism? There's a PSA for that. Stressed about all of your first word problems? There's a PSA for that too.

Check out 20 of our favorites below.

PSA Parodies