Pokémon the Movie: Hoopa and the Clash of Ages, known in Japan as Pokémon the Movie XY: The Archdjinni of the Rings: Hoopa (ポケモン・ザ・ムービーXY 光輪リングの超魔神 フーパ, Pokemon Za Mūbī Ekkusu Wai Ringu no chōmajin Fūpa) is a 2015 Japanese anime adventure film and the 18th in the Pokémon film series created by Satoshi Tajiri. It was directed by Kunihiko Yuyama, written by Atsuhiro Tomioka and produced by OLM. The film stars the voices of Rica Matsumoto, Ikue Ōtani, Mayuki Makiguchi, Yūki Kaji, Mariya Ise, Megumi Hayashibara, Shin-ichiro Miki, Inuko Inuyama, Rie Kugimiya, Kōichi Yamadera, and Shoko Nakagawa. In the film, Hoopa, a Pokémon able to summon people and other Pokémon, splits into two forms: the real Hoopa, and a shadow created after Hoopa's powers were sealed for 100 years. Hoopa's shadow attempts to control the form of the real Hoopa.

The film was released in Japan on July 18, 2015. An English dub was produced by DuArt Film and Video, and stars the voices of Sarah Natochenny, Haven Paschall, Michael Liscio Jr, Alyson Leigh Rosenfeld, Michele Knotz, Carter Cathcart, Lori Phillips, Ryan William Downey, and Emily Woo Zeller. It premiered in theaters in Australia on November 5, 2015, and aired in Canada on Teletoon on November 14, 2015, in the United Kingdom on CITV on December 12, 2015, and in the United States on Cartoon Network on December 19, 2015.