is a Japanese anime series first aired on Fuji TV from October 4, 1975 to December 25, 1976 throughout Japan every Saturday at 6:30pm, with a total of 61 30-minute episodes. It was produced by Tatsunoko Productions in partnership with Topcraft, who later produced a number of spinoff programs as part of the "Time Bokan Series". An anime re-imagining titled Time Bokan 24 ran from October 1, 2016 to March 18, 2017. Story Dr. Kieta, a somewhat wacky but intelligent scientist, has finally succeeded in inventing insect-shaped time machines called "Time Bokan". To prove its efficiency and safety, he decides to serve as the very first guinea pig for its maiden voyage. However, by the time his machine has returned, there's no trace of him inside. The only thing that it returns with is a talking parrot, along with a large gemstone called the , which is seemingly the most powerful and valuable jewel in the world. Now it's up to a search party, founded by Dr. Kieta's lab assistant Tanpei, to travel through time to find Dr. Kieta. However, it seems that someone power hungry is looking for the "Dynamond" as well. The story starred two vividly opposing sides, the heroes, and the villains. Typical plots follow this format: The heroes travel to a particular era or space during their search for Dr. Kieta, and their hunt for the nature of the Dynamond, meeting the famous historical figures (and some times fictional characters) in the process. The heroes eventually encounter the villains. The two sides battle each other with their time machines. The villains always suffer a crushing defeat, either due to the smart foiling of their plans from the heroes, or due to the villains' own ineptitude. Characters Heroes (voiced by Yoshiko Ota): The loyal lab assistant of Dr. Kieta, Tanpei is a smart and sporty boy, aged 13. He is warm, pure, courageous, and is a genius mechanic. He is often seen sparring with Junko, his fellow assistant and Dr Kieta's granddaughter, comforting, or encouraging her. Tampei has been depicted as having a crush on her for more than once. Everybody in the team calls him "Tanpei-chan". Not much of his family and school background is given. (voiced by Keiko Yokozawa in eps. 34-36, and Mori Okamoto in all other episodes): Junko is Dr. Kieta's 10 year-old granddaughter. She is a responsible young girl and is always