As of my knowledge cutoff, "Up in Smoke" is available to stream for free on the Internet Archive. You can access the movie by visiting the Internet Archive website and searching for the title. The movie is also available for download in various formats, including DVD, Blu-ray, and torrent.
Up in Smoke falls into this fascinating gray zone. While Paramount still holds the rights and the film is periodically re-released on Blu-ray or premium streaming, it is not always readily accessible for free. As a result, multiple user-uploaded copies have appeared on the Internet Archive over the years. cheech and chong up in smoke internet archive free
If you’re looking for a dose of classic counterculture comedy, you probably have one movie on your mind: Cheech and Chong’s Up in Smoke (1978) As of my knowledge cutoff, "Up in Smoke"
Paramount Pictures (and subsequently, Warner Bros. via distribution rights) holds the active copyright for the film. Because the movie was released in 1978, it will not enter the public domain for decades. Up in Smoke falls into this fascinating gray zone