Confirmed airdate - November 29, 2012.
BWS2-20: Fierce Fighting! Win Out in the Rival Battle!
Narration: The Unova League Higaki Tournament has finally begun! Ash's opponent is Trip!
Trip: Ash! Show me how much stronger you've come!
Ash: Let's go, Trip! Pikachu, Quick Attack!
Trip: Dodge, Serperior!
Iris: It dodged!
Cilan: Its speed is even higher than Pikachu's!
Trip: Serperior, Dragon Tail!
Ash: Pikachu, don't give in and use Iron Tail!
Ash: What can I do to win against Serperior's Dragon Tail...?
Ash: That's right! If I use an Electric type move...!
Trip: Serperior, use Dragon Tail again!
Ash: Pikachu, combine Iron Tail and Electro Ball!
Ash: You did it!
Trip: I lost today, but I won't lose next time!
Ash: Yeah, let's both do our best!
Narration: Ash's Unova League challenge continues on an on.