Zenderman (ゼンダマン, Zendaman) is a Japanese anime television series which first aired from February 3, 1979, to January 26, 1980, on every Saturday from 6:30 pm to 7:00 pm with a total of 52 episodes.

It is the third show in the sequence of "Time Bokan Series" produced by Tatsunoko Productions.

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.

[1] 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.

[2] The Akudama Trio, however, is also seemingly after exactly the same thing.