The Land of Handheld Gaming

"The Land of Handheld Gaming" is the forty-third episode of the second season of Pokémon Strange Journeys, and the one-hundred-eighth episode overall. It aired on December 2, 2015.

Synopsis
Serena finds a handheld device in her room, and when she turns it on, she, Ash, Clemont and Bonnie, get sucked into the console, causing their world to turn into a platformer-esque video game.

Trivia

 * According to the storywriter, this episode was based on the Ash's Adventures fanfic series.
 * The concept of Ash and his friends going inside a video game was previously utilized in a Pokémon Strange Journeys game that never materialized.