"Dirty Grandpa" is a 2016 comedy featuring Robert De Niro and Zac Efron. The film follows a recently widowed grandfather who persuades his uptight grandson to take him on a wild road trip. While the movie has moments of humor and a strong cast, it received mixed to negative reviews from critics, often criticized for its crude jokes and lack of depth. If you enjoy raunchy comedies and are a fan of the actors, it might be worth a watch, but it may not appeal to everyone.

As of now, there is no "Dirty Grandpa 2." The original film, released in 2016 and starring Robert De Niro and Zac Efron, did not spawn a sequel. While sequels are sometimes announced or in development, there has been no official confirmation or news regarding a follow-up to "Dirty Grandpa." The film received mixed reviews, which may have influenced the decision not to pursue a sequel.

"Dirty Grandpa" is rated R for strong sexual content, graphic nudity, and language. The film features raunchy humor and adult themes, making it inappropriate for younger audiences. It centers on a recently widowed grandfather who embarks on a wild spring break trip with his uptight grandson, leading to various risqué situations. If you're considering watching it, be aware of its explicit content and decide based on your comfort level with such themes.

In "Dirty Grandpa," the film concludes with a chaotic but humorous resolution at a wedding. Jason (Zac Efron) finally embraces his true self and stands up to his controlling fiancée. After a series of comedic misadventures, he realizes he wants to pursue a relationship with his love interest, Shadia. Meanwhile, Dick (Robert De Niro) successfully reconnects with his late wife’s spirit and finds joy in his adventurous life. The film ends on a light note, emphasizing the importance of being true to oneself and enjoying life.