I don't know why this just popped into my head, but now I'm itching to remember the name of the show. It was in the mid to late 90s and involved mechs of some sort. It was not Battletech, Robotech or ...

Tabletop wargame BattleTech is getting its first real alternate universe in its 40 year history, and it's a pretty obvious one: If you have a giant robot, well, why should it not fight a giant monster ...