Time Bokan Series: Zenderman

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)

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