Astro Boy - Season 1 - Eps 24: The Greatest Robot in the World (Part 1)
A power-hungry Sultan commissions a powerful fighting robot named Bruton (Pluto in the original), and sends him to battle seven of the world's strongest robots: Mont Blanc, Molnar, Brondo, Zeron, Hercules, Photar, and Astro.
About Astro Boy

Title: Astro Boy
First Air Date: 1980-10-01
Last Air Date: 1981-12-23
Status: Ended
Rating: 7.647/10 (from 75 votes)
Language: JA
Seasons: 1
Total Episodes: 52
Network: Nippon TV
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy, Comedy, Family, Kids
Production Companies: Tezuka Productions, Mushi Production, Nippon Television Network Corporation
Synopsis
In 2030 AD, after being abandoned by his creator, a young boy robot is rescued by an Android Advocate, Dr Elefun, who adopts him as his own and guides him in the use of his special powers to aid and protect mankind and robot-kind.
Cast

Mari Shimizu
Atom (voice)

Hisashi Katsuta
Dr. Ochanomizu (voice)

Ichiro Nagai
Detective Tawashi (voice)

Katsuji Mori
Atlas (voice)

Masako Sugaya
Uran (voice)

Yusaku Yara
Detective Nakamura (voice)