|1st appearance:||"Superman on Earth"|
Krypton is a fictional planet featured in comic books published by DC Comics. It is associated with the Superman line of comic titles and has also appeared, in some form or fashion, in nearly all Superman related media. The planet made its first appearance in Superman #1 in the Summer of 1939. As the planet was destroyed prior to the origin of Superman, most appearances of Krypton take place in either flashback, time travel stories or in alternate realities.
Krypton has also appeared in film and television beginning with the Adventures of Superman television series, which aired from 1952 to 1958. It was shown in the pilot episode of the show, "Superman on Earth". Krypton also played a major role in the three-part "The Last Son of Krypton" story which served as the premiered to Superman: The Animated Series in 1996. Krypton was referenced several times in the Smallville television series on the CW Network, though never fully and overtly seen. It has also appeared in flashback scenes on the CBS TV series Supergirl, which has shown several shots an exterior futuristic metropolitan landscape.
Krypton appeared in the Superman film series, which began in 1978, where its final fate was displayed in the beginning of Superman: The Movie. While the original Superman film series presented Krypton as a bleak frigid world of ice and crystals, the DC Extended Universe, shown Krypton with a more futuristic style of visual setting as seen in the first act of Man of Steel in 2013.