Ash and friends finally arrive in Nimbasa City. Before heading to the gym they decide to check out the Battle Subway. However, a mysterious event causes the Subway System to halt. They get out to see what happened and run into Ingo and Emmet, who reveal that something has been happening to the Battle Subway. However, they tell them to leave it to them. Ash, Iris, and Cilan head to the Pokémon Center so their Pokémon can rest. While heading to the exam room with the other Pokémon, Meowth reveals his true colors and begins Team Rocket's operation. Together, Meowth, Jessie and James cut the power to the Pokémon Center and use the air vents to steal all the Pokémon and make their getaway via the subway. Discovering their plan, Ash, Iris, and Cilan join Ingo and Emmet in pursuit of Team Rocket.