Batman Unlimited - Season 2 Episode 4 System Failure!
Overview: Giant Bane is surrounded by the army, but that’s not enough to stop him from scattering the troops with a giant gun. When Batman shows up in the BAT-Mech it looks like the fight just turned even until a shove knocks down the Bat-Mech and crashes its electronic system. Powerless against the ruthless beast, Batman struggles to restore power as Bane closes in. But when the Caped Crusader becomes a friend in need, he has to count on another friend, indeed!