Action comedy movies are best defined as a blend of the action and comedy genres, and fans of the action comedy will definitely want to check out the 10 best action comedy movies of the 2000's. These movies are the best of the best and will leave you laughing on the edge of your seat. 

  1. "Road Trip." This action comedy originally released in 2000 features Tom Green, Amy Smart and Breckin Meyer and is best described as a teen road trip movie. 

  2. "Up." This digitally animated film from Pixar studios follows the adventures of a grumpy old man, a small boy and a dog as they travel across the world in a hot air balloon. A good choice for the entire family. 

  3. "Wedding Crashers." A 2005 classic starting Owen Wilson and Vince Vaughn as best friends that like to crash weddings in order to pick up women. 

  4. "Harold and Kumar Go to White Castle." A smart adult oriented action comedy about best friends who search for the elusive White Castle Burger after getting stoned and the adventures that ensue. 

  5. "Old School." Thirty and forty something men decide to start a fraternity to relive their youth. Enough said.

  6. "The Hangover." A bachelor party in Las Vegas goes horribly wrong in this 2009 action comedy classic. Directed by Todd Phillips, this film follows three groomsmen who lose the groom and have to retrace their drunken steps in order to find him. 

  7. "Knocked Up." A one night stand delivers an unexpected surprise nine months later in this poignant action comedy from writer director Judd Apatow. Originally released in 2007 the film stars Seth Rogen, Katherine Heigl and Paul Rudd. 

  8. "American Pie 2." A sequel to the American Pie classic. This 2001 action comedy continues to deliver the goods. The entire gang returns a little older but not necessarily wiser. The movie centers around a summer beach house rental and a party to end all parties. 

  9. "Meet the Parents." Ben Stiller and Robert De Niro star in this classic about meeting the in-laws for the first time. Stiller plays a Jewish male nurse, and De Niro a borderline psychotic, ex-CIA agent who administers lie detector tests in the basement. 

  10. "The 40 Year Old Virgin." The title says it all. The ultimate action comedy about a lovable loser and his attempt to lose his virginity at the age of 40.  Originally released in 2005, the film stars Steve Carell and was directed by Judd Apatow.