Air-time legends: the longest-running TV series ever
'Criminal Minds' will end an epic run with its 15th season
The word is out: 'Criminal Minds' is set to go out with a bang after its 15th season has just been announced. The show celebrated its impressive 300th episode in the fall of last year. However, it's certainly not the only series out there that has been on the air for an impressively long time.
Click through this gallery to see the world's longest-running TV shows.
Prehistoric animals you won't believe existed
Simple lifestyle changes that help the environment
Made in Japan: the most incredible Japanese inventions of all time
The eeriest legends from the Amazon rain forest
The most famous UFO sightings in the world
The craziest, funniest movie characters of all time
Amy Adams, one of Hollywood's most stylish red heads
LIFESTYLE Lyme disease
Celebs you didn't know have Lyme disease
Heartwarming pregnancy and birth traditions around the world
Saba: the Caribbean's best-kept secret