This is a clipshow Unaired outside of Japan of Satoshi's (Ash's) gym battles and Haruka's (May's) contest battles.
The heroes are still on the boat looking towards the Grand Festival. Ash remembers all of his Hoenn Gym Battles with Roxanne, Norman, Brawly, Juan, Tate and Lisa, while May remembers her Contests with Drew, Grace, Kelly, Harley, Erica and Savannah.
