But being on the road has always been a more natural state for Marin and Chong. No comic act has ever gotten so much mileage out of driving nowhere in particular. In their new movie, “Cheech & Chong's Last Movie" (in theaters Friday), they reflect on their odd journey while cruising through the desert, looking for a place called The Joint.

The "Up in Smoke" comedy legends team up in a new documentary, 'Cheech and Chong's Last Movie," and share in an interview how comedy can still be transgressive and relevant.

As the new documentary “Cheech and Chong’s Last Movie” details, they had rather relatively lucrative gigs before the rise of the counterculture. But when they brought stoner characters into their act,