Yes, "Regular Show: The Movie" is an animated film based on the popular Cartoon Network series "Regular Show." It was released on September 26, 2015. The movie follows Mordecai and Rigby as they embark on a time-traveling adventure to stop a villain from changing the future. It retains the show's humor and style, appealing to both fans of the series and new viewers. The film serves as a continuation of the characters' stories, providing a unique experience beyond the television series.

As of my last update in October 2023, there has been no official announcement regarding "Regular Show: Lost Tapes" being released in 2025. The creators of "Regular Show" have not confirmed any new projects related to the series. For the most accurate and up-to-date information, it’s best to monitor official announcements from the creators or the network.

"Regular Show: The Movie" is not the last episode of the series but rather an extension of the show's storyline. Released in 2015, the film serves as a prequel to the final season, exploring the origins of the characters and their adventures. The series concluded with its eighth season, which aired its final episode in January 2017. While the movie adds depth to the series, it is not the final episode but rather a separate narrative that enhances the overall "Regular Show" experience.

As of now, there has been no official announcement regarding a sequel titled "Regular Show 2." "Regular Show: The Movie," which was released in 2015, serves as a conclusion to the series. While fans have expressed interest in more content related to "Regular Show," creator J.G. Quintel has not confirmed any plans for a sequel or continuation of the franchise. Keep an eye on official announcements for any updates on potential future projects.