Pokémon

Pokémon were the titular characters of the game Pokémon Go. (TV: The Return of Doctor Mysterio)

Robert Zierath was a fan of Pokémon as a child. (PROSE: The Schoolboy's Story)

While infiltrating the Tokyo branch of Harmony Shoal, the Twelfth Doctor created a distraction by flooding the downstairs floor with the creatures. (TV: The Return of Doctor Mysterio)

Behind the scenes
Pokémon (short for "Pocket Monster") is a Japanese video game franchise. The series primarily revolves around the task of capturing the titular monsters and having them battle each other.

A live-action Pokémon film, titled, was released in 2019. The film featured Bill Nighy as Howard Clifford, and Josette Simon made a brief appearance as Tim Goodman's grandmother.