I should also consider cultural context. Maybe the user is referring to a movie in another language, like a Japanese or South Korean cat movie from 2021. For example, "Cat Paradise" (2020) but not 2021.
I should verify if there's any upcoming or recently released cat-themed movie from 2021. If that's not the case, maybe the user is referring to an online project or a parody film. catmoviecom 2021
In summary, possible interpretations: a specific movie title ("Catmovie") from 2021, a streaming service, or a cat-themed movie from that year. Since there's no exact match, the most plausible is "Paws of Fury: The Legend of the Burning Tails" which was 2021. Alternatively, maybe "Cats" re-release or another similar title. I should outline these possibilities, note the potential confusion, and ask for clarification while providing the best guess based on available information. I should also consider cultural context