"The Hunger Games" is just a couple months away now, but as a series of exclusive new interviews from MTV reveals, the stars played their own games while filming -- and you won't believe some of the pranks they pulled.
"I'm in my trailer and open the bathroom door and scream," Lawrence said about one memorable practical joke, "and my friend grabs me and had to say "It's fake, it's fake, it's fake!" I hate him. I still haven't gotten him back for that."
So what was the prank? Who does Lawrence owe payback to? And what other unexpected challenges did Lawrence, Josh Hutcherson and Liam Hemsworth face on the grueling shoot?
Check out more great new clips from MTV and find out why for these stars, the games or only just beginning: