Pokemon Season 8 - Episode 404 – The Scheme Team

Ash returns to Pallet Town, while Brock goes to Pewter City, and May and Max return to Petalburg City. Ash visits Viridian City, and discovers the new gym leader is Agatha of the Elite Four! Scott, a man who conveniently happens to be there, tells Ash about the Battle Frontier, causing Ash to enter.