The Wild Thornberrys (1998)

S01E18 Rumble in the Jungle

Eliza inspires a troop of baboon-like apes to confront their famed foes, known as "The Others." Simultaneously, Darwin encounters another group of apes facing the same dilemma. As Eliza and Darwin rally their respective troops for an impending clash, they unexpectedly come across each other, igniting a full-scale conflict! With tensions rising, it falls to Eliza to swiftly devise a solution to prevent the battle and foster harmony between the two ape factions.