Teenage Mutant Ninja Turtles (1987)

S7E23 Atlantis Awakes

Title: The Awakening of Atlantis Plot: While riding the turbulent waves of the sewer’s rapids, Michaelangelo finds himself in trouble and is saved by Merdude. Eager to assist, the Turtles, equipped with Donatello's Porta-Tracker, offer to help Merdude navigate his way back to his underwater home.