Premiere Of The Weinstein Company's "Hoodwinked Too! Hood Vs. Evil In 3D" - Red Carpet

LOS ANGELES, CA - APRIL 16: Actors Tommy Chong and Cheech Marin attend the HOODWINKED TOO! HOOD vs EVIL Premiere Hosted by Heidi Klum, Maurice Kanbar and Harvey Weinstein at the Pacific Theaters at The Grove on April 16, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

Help Haiti with George Lopez & Friends

LOS ANGELES, CA - FEBRUARY 04: Comedians Tommy Chong (L) and Cheech Marin perform onstage at Help Haiti with George Lopez & Friends at L.A. Live's Nokia Theater on February 4, 2010 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for Help Haiti)

Marijuana Policy Project's 15th Anniversary Gala

WASHINGTON - JANUARY 13: Tommy Chong and Cheech Marin pose on the red carpet during the Marijuana Policy Project's 15th Anniversary Gala to celebrate ''15 States in 15 Years'' at the Hyatt Regency on Capitol Hill on January 13, 2010 in Washington, DC. (Photo by Kris Connor/Getty Images)

CRLA Tequio Fundraiser Gala - Arrivals

BEVERLY HILLS, CA - FEBRUARY 09: Actors Cheech Marin (L) and Tommy Chong attend the California Rural Legal Assistance Teguino Celebration Gala at the Beverly Hilton Hotel on February 9, 2009 in Beverly HIlls, California. (Photo by Frederick M. Brown/Getty Images)

The Comedy Festival Day 2

LAS VEGAS - NOVEMBER 21: Cheech Marin (L) and Tommy Chong react during a roast of the comedy duo at The Comedy Festival at Caesars Palace November 21, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Cheech And Chong Perform At The Palms

LAS VEGAS - OCTOBER 18: Tommy Chong (L) and Cheech Marin of the comedy duo Cheech & Chong perform at The Pearl concert theater at the Palms Casino Resort October 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Cheech And Chong Perform At The Palms

LAS VEGAS - OCTOBER 18: Tommy Chong (L) and Cheech Marin of the comedy duo Cheech & Chong perform at The Pearl concert theater at the Palms Casino Resort October 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

The 2008 ALMA Awards - Show

PASADENA, CA - AUGUST 17: Actors Cheech Marin (L) and Tommy Chong (R) perform onstage during the 2008 ALMA Awards at the Pasadena Civic Auditorium on August 17, 2008 in Pasadena, California. (Photo by Vince Bucci/Getty Images)

The 2008 ALMA Awards - Press Room

PASADENA, CA - AUGUST 17: Actors Tommy Chong and Cheech Marin pose during the 2008 ALMA Awards at the Pasadena Civic Auditorium on August 17, 2008 in Pasadena, California. (Photo by Frazer Harrison/Getty Images)

The 2008 ALMA Awards - Backstage

PASADENA, CA - AUGUST 17: Actors Cheech Marin (L) and Tommy Chong in the audience at the 2008 ALMA Awards at the Pasadena Civic Auditorium on August 17, 2008 in Pasadena, California. (Photo by Kevin Winter/Getty Images for NCLR)

The 2008 ALMA Awards - Arrivals

PASADENA, CA - AUGUST 17: Actors Cheech Marin (L) and Tommy Chong arrive at the 2008 ALMA Awards at the Pasadena Civic Auditorium on August 17, 2008 in Pasadena, California. (Photo by Frazer Harrison/Getty Images)

The 2008 ALMA Awards - Arrivals

PASADENA, CA - AUGUST 17: Actors Cheech Marin (L) and Tommy Chong arrive at the 2008 ALMA Awards at the Pasadena Civic Auditorium on August 17, 2008 in Pasadena, California. (Photo by Frazer Harrison/Getty Images)

Comedians Cheech Marin (L) and Tommy Cho

Comedians Cheech Marin (L) and Tommy Chong (R) announce their first comedy tour in more than 25 years at a press conference in West Hollywood, California on July 30 2008. The comedy duo, known as Cheech & Chong, have eight hit films including "Up In Smoke." AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)