Time Bokan Series: Zenderman
Japanese title: タイムボカンシリーズ　ゼンダマン
Type: TV
Episodes: 52
Premiered: winter 1979
Source: Unknown
Genres: Action, Adventure, Comedy, Sci-Fi
Studios: Tatsunoko Production
Duration: 24 min per ep
Rating: PG-13 - Teens 13 or older

Dr Monja is a scientist who is curious about the nature of the legendary Elixir of Life which grants the drink 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. A trio of villains, however, is also seemingly after the exact same thing.

(Source: Wikipedia)