Rhyhorn’s massive bones are 1,000 times harder than human bones. In “Showdown at Dark City,” Ash and friends are trapped in the middle of a Pokémon gang war between the rival Yas and Kaz Pokémon Gyms. The unlicensed gym trainers use their Pokémon for personal battles. During a huge battle, the gym leaders let loose several Pokémon, including a monstrous Rhyhorn who runs rampant through the town, trying defeat the other gym’s Pokémon.
First appearance: Episode 42—”Showdown at Dark City”
