A Three Team Scheme! - S6.E27

As Ash continues his training, he, May, Max and Brock encounter Prof. Birch. Meanwhile, a boy's Nincada was captured by Team Rocket and it digs a hole to a temple. There they encounter the commanders of the teams they encountered before: Team Magma's Harland and Team Aqua's Isabel. How will this clash of Aqua vs. Magma go down, and can Ash and co. help the boy save his Nincada?