You will watch Pokemon Season 13 Episode 658 – The Semi-Final Frontier online for free episodes with high quality. Online episode guide, Pokemon Season 13 Episode 658 – The Semi-Final Frontier The Semi-Final Frontier After his big victory over Paul, Ash discovers that his next match is against the strongest contender in the entire Sinnoh League, Tobias – who has easily won every battle to reach the semifinals using only his Darkrai which easily takes out Ash’s Heracross, Torkoal and Gible using its Dark Void, Ice Beam, Dream Eater and Dark Pulse attacks. Ash brings out Sceptile which defeats Darkrai using Leaf Blade. Tobias surprises everyone with his second Pokémon Latios. Latios defeats Sceptile with Giga Impact. Ash sends in Swellow . After a brief battle Swellow is defeated by Latios’ Luster Purge. Ash’s final Pokémon is Pikachu. After a long battle, both Pikachu and Latios are declared unable to battle. Ash loses the battle against Tobias. Tobias wins the final battle and wins the Sinnoh League.