Transformers: Energon - Season 1 Episode 21
Watch TV Shows Transformers: Energon HD As the Autobots scramble to defeat the Decepticons, the sadistic Shockblast is released from captivity on Cybertron.
- Year: 2004
- Country: Japan
- Genre: Action & Adventure, Animation
- Studio: TV Tokyo, TV Aichi, TVQ, TV Osaka, TVh, TSC
- Director:
- Cast: Katsuyuki Konishi, Junichi Endo, Mitsuo Iwata, Kohsuke Toriumi, Nobutoshi Canna, Nobuo Tobita