Air-time legends: the longest-running TV series ever
'Supernatural' will end an impressive run with its 15th season
The word is out: it has just been announced that 'Supernatural' is set to go out with a bang after its 15th season. Jensen Ackles, Jared Padalecki, and Misha Collins announced that the show would be ending in an Instagram post on March 22.
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.
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