Grandpa Danger

Grandpa Danger (絶体絶命でんぢゃらすじーさん) is an ongoing adventure manga by Kazutoshi Soyama published by Shogakukan in CoroCoro Comic since December 2000. It received the 2005 Shogakukan Manga Award for children's manga. The series was adapted as a 51-episode anime broadcast on TV Tokyo from April 2004 to March 2005, which is licensed by Viz Media in North America as Grandpa Danger, and a series of video games.