Dinosaucers

It's An Archaeopteryx... It's A Plane... It's Thunder Lizard! (1x38)

Air date: Nov 04, 1987

When Bronto Thunder lies to his girlfriend Apatty Saurus about his accomplishments on Earth, he's forced to become the superhero Thunder-Lizard. In one part of the episode Bronto Thunder wears his swimming trunk shorts as he rides through a river.