Yes, "Donnie Brasco" is based on a true story. The film, released in 1997, follows the undercover FBI agent Joseph D. Pistone, who infiltrated the Mafia under the alias "Donnie Brasco." His work led to numerous arrests and convictions of organized crime members. The movie stars Johnny Depp as Pistone and Al Pacino as Lefty Ruggiero, a mobster who becomes close to Pistone. The story highlights the moral complexities and dangers of undercover operations in law enforcement.

In the movie "Donnie Brasco," one of the most famous lines is "Forget about it." This phrase is used by the character Lefty Ruggiero, played by Al Pacino, to convey a range of meanings, from dismissing a topic to implying that something is understood without further explanation. The line encapsulates the casual yet complex nature of mob culture depicted in the film, highlighting the nuances of communication within the criminal underworld. The film, based on true events, stars Johnny Depp as Donnie Brasco and Al Pacino as Lefty.

"Donnie Brasco" is based on the true story of an undercover FBI agent, Joe Pistone, who infiltrated the Mafia under the alias Donnie Brasco. While the film captures the essence of Pistone's experiences and the dynamics of organized crime, certain elements are dramatized for cinematic effect. Characters and events are often fictionalized or altered for narrative purposes. Overall, the movie provides a compelling portrayal of the challenges and moral dilemmas faced by undercover agents, though not every detail is historically precise.

As of October 2023, "Donnie Brasco" is not currently available on Netflix. Streaming availability can change frequently, so it's advisable to check Netflix regularly or use a service like JustWatch to stay updated on where the movie can be streamed. If you're looking to watch it, you might find it on other platforms such as Amazon Prime Video or Hulu, depending on your region.