Pokémon Go
Pokemon Go was a video game which was popular in 2016. One of the dares on truthordare.com was to play Pokemon Go underwater. (PROSE: What She Does Next Will Astound You) Infiltrating the Tokyo branch of Harmony Shoal, the Twelfth Doctor created a distraction by flooding the downstairs floor with Pokemon. (TV: The Return of Doctor Mysterio)
Behind the scenes
At New York Comic Con 2016, Fady Elsayed revealed that the cast of Class would play lots of Pokemon Go during the shooting of series 1. Greg Austin would sneak off set on his breaks, and catch Pokemon. Greg owned a gym for a while.
Fady and Vivian Oparah said that the Coal Hill Academy set had Charmanders and Scythers, as well as Pidgeys everywhere. Greg Austin found a Charmander on Pinewood, and further added that there were a few Squirtles around.