Attack of the Hell Corps!
A rouge military corp is dispatched by Shadow to take care of Circus. However, neither Circus nor the Hell Corps will take on this battle alone...
Aired 18/05/1984EP 16 - Attack of the Hell Corps!

1984
Super High Speed Galvion
Super High Speed Galvion features mecha designs by Ohata Koichi (of Gunbuster fame). In the 23rd century billionaire Midoriyama Rei creates a secret organization called Circus to combat a hidden group called Shadow that is taking over the world. When she can't find qualified pilots for Circus' main mecha, the Galvion, she cuts a deal with two convicts, Mu and Maya, to lead the fight against Shadow.