The "Tonight Show's" intense staredown skit is back ... and better than ever!
Jimmy Fallon enlisted Robert Downey Jr. to take part in the hilarious sketch, where the pair looks intensely at each other on top of a mountain.
Sporting a long wig and a traditional black robe, the "Iron Man" star nailed the part of philosophical Himalayan guru, offering up commentary about world peace, Domino's stuffed crust pizza and sneezing!
The late night host looked similarly serious when he told the tales from the hairs on his body.
Check out the clip below to find out who wins the staredown ... and what Third Eye Blind has to do with it!
More even more Fallon? Click "Launch Gallery" above to see his craziest "Tonight Show" moments.