Hello! Sandybell is an anime series made by Toei Animation in 1981. It was aired in Japan by TV Asahi. In the original title when it is made in Japan, her name is the spelling to which "E" is attached to an end by "Sandybelle". Similarly to Silver Fang, the show is relatively unknown in the U.S. but was quite popular in Asia, Latin America, Arab countries and Europe, particularly Scandinavia.

Dr Monja is a scientist, who is curious about the nature of the legendary "Elixir of Life" which grants the user eternal lifetimes and forever youth. He built a device called the "Time Tunnel" in order to let a team of youngsters to start a quest down the timeline and various spaces to find an exact answer. The Akudama Trio, however, is also seemingly after exactly the same thing. Who will get it first?