Shellder’s hard shell repels any kind of attack, and Shellder is only vulnerable when its shell is open. In “The Evolution Solution,” Professor Oak enlists the aid of fellow Poké-ologist, Professor Westwood (who programmed the Pokédex), to figure out the mystery of why, after a Shellder clamps onto a Slowpoke’s tail, it becomes a Slowbro! Do you know why Shellder clamps onto Slowpoke’s tail?
First appearance: Episode 70—”The Evolution Solution”
