The Little Mermaid (1992)

S01E14 Trident True

Ariel and her ocean pals decide to surprise King Triton with special Father's Day gifts. To find a radiant seashell, they venture into a cave, but soon find themselves ensnared by an octopus. In the chaos, Urchin grabs Triton's trident to fend off the creature, but ends up losing it during the struggle.