The secret history of Earth and Cybertron is revealed with the awakening of monster-hunting Autobot Smokescreen. Meanwhile the Autobots are drawn into a cavern filled with ancient Decepticons...
Taiten Kusunoki
Galaxy Convoy (voice)
Kōji Nakata
Master Megatron/Master Galvatron (voice)
Daisuke Hirakawa
Exillion/Exigeyser (voice)
Hideo Ishikawa
Dreadrock (voice)
Show Hayami
Vector Prime (voice)
Tomoyuki Shimura
Guardshell (voice)
Tarusuke Shingaki
Backpack/Backguild (voice)
Takaya Kuroda
Starscream (voice)
Kazunari Tanaka
Thundercracker (voice)
Hisao Egawa
Jackshot/Ligerjack (voice)
Yumiko Tamaki
Coby (voice)
Mayumi Kurokawa
Bud (voice)
Rika Morinaga
Lori (voice)