THEN: Comedy duo Cheech and Chong syphon gasoline into a trash can in a movie scene from 'Cheech & Chong's Next Movie', 1980.
THE BEGINNING: Comedians Cheech Marin and Tommy Chong pose for a portrait during their first photo session on March 22, 1969 in Los Angeles, California.
NOW: Tommy Chong and Cheech Marin pose backstage at an "Up In Smoke" special screening on July 25, 2013 in Los Angeles, California. Both men are in their late 60's.
THEN: Cheech & Chong pose for a portrait on January 12, 1974 in Los Angeles, California.
THEN: Cheech & Chong perform live in New York in 1976.
NOW: Cheech & Chong perform on August 22, 2009 in Mountain View California. The duo did many of their classic bits.
NOW: Cheech & Chong perform their classic routines in character and costumes during their sold-out performance on June 22, 2013 in Albuquerque, New Mexico.
NOW: Cheech & Chong perform at Help Haiti with George Lopez & Friends on February 4, 2010 in Los Angeles, California.
THEN: An undated photo of Cheech Marin performing a bit in character.
NOW: Cheech Marin on December 6, 2008 in Universal City, California. Marin wore a similar outfit in the film "Up In Smoke."
NOW: Actor-comedian Tommy Chong of Cheech & Chong and wife Shelby Chong arrive at the 10th Annual High Times Stony Awards at The Music Box @ Fonda on September 30, 2010 in Hollywood, California.
NOW: Director Robert Rodriguez and actor Cheech Marin arrive at 20th Century Fox's screening of "Machete" on August 25, 2010 in Los Angeles, California. Marin has played many roles in the majority of Rodriguez's film.
NASH BRIDGES, a police drama. Featuring Don Johnson (as Insp. Nash Bridges) and Cheech Marin (as Insp. Joe Dominguez). Image dated 1997.
Tommy Chong at the Hollywood Studios in Los Angeles, California in character as Leo from "That 70's Show." Photo dated 2002.
A photo of Stacy Keach from 1970. Keach was featured in many Cheech & Chong films as Sgt. Stedanko. He would go on to star as TV's Mike Hammer and is critically acclaimed on Broadway and in film. He continues to act on Broadway, TV and film.
CBS' Picket Fences dealt with life in a small town and centers on Tom Skerritt as Sheriff Jimmy Brock. But before Skerritt starred on this show or was in the movie "Top Gun" he played Cheech's cousin Strawberry in the film "Up In Smoke."
Paul Reubens on July 24, 2012 in New York City is famous for his character "Pee Wee" Herman. But did you know he appeared in numerous Cheech & Chong films, even doing his "Pee Wee" act in a comedy club scene in "Cheech & Chong's Next Movie."
Comedian Rip Taylor on October 25, 2011 in Hollywood, California appeared in Cheech & Chong's "Things Are Tough All Over."
Since bursting onto the scene in the 70s, Los Angeles native and Mexican-American Richard "Cheech" Marin and Canadian Tommy Chong have become cultural icons ingrained in Latino culture. Where are they now?