Mighty Morphin Power Rangers

Season 1

Episode 51: Grumble Bee

For the first time in his life, Billy gets a "B" on a test in school! He's devastated as a result, which once again provides inspiration for Rita. She has Finster create a Grumble Bee monster to attack, exploiting his "B" grade dismay. With the rest of the team tied up on the basketball court, can Trini help Billy overcome his self-doubts?