Grandpa Danger

is a Japanese manga series by Kazutoshi Soyama published and serialized by Shogakukan's CoroCoro Comic magazine from October 2001 to March 2010, completing up to 20 volumes. It was continued with a sequel series titled from April 2010 to February 15, 2017, completing up to 20 volumes.

The first manga 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 to its current name, and a series of video games. A second anime television series premiered on Kids Station from October 20 to December 22, 2012

Plot
The misadventures of Grandpa who teaches his grandson how to survive the dangers of the world, even if it means creating his own.