Aziz Ansari and Chris Pratt Fight Blood Cancer With PSA

The “Parks and Recreaction” stars want you to give a s— about cancer

Think cancer is funny? Comedians Aziz Ansari and Chris Pratt don't. 

The "Parks and Recreation" stars filmed a PSA asking viewers to "give a s—" about cancer.

At least that's what Pratt thought. He refused to wear glasses because he wanted to look "awesome," so he couldn't read the cue card.

Ansari politely informed him it was in fact about spit. Easy mistake to make.

Here's the video: