Because of Team Plasma, Tula was released by its previous trainers. In a desire to stay close to humans, Tula interrupts a commercial filming, electrocuting several cameramen and destroying equipment. Tula is found, stopped, and captured by Black.
In Accumula Town, Black confesses that he had intended to release Tula into the wild but now knows that is a bad idea. Tula volunteers to permanently join Black's team during his battle against N.
Black sends out Tula to use Flash to discover who their enemy is in the Dreamyard. Tula then joins forces with Black's other Pokémon and battles Watchog.
Black pits Tula against Musha in a training battle. Tula leaves spider webs all across their training ground, which Black later uses to snare the thieves Scraggy and Scrafty.