"Nixon," directed by Oliver Stone and released in 1995, is a biographical drama that explores the life and presidency of Richard Nixon, portrayed by Anthony Hopkins. The film delves into Nixon's complex personality, political strategies, and the Watergate scandal. Critics generally praise Hopkins' performance and Stone's direction, highlighting the film's ambitious portrayal of a controversial figure. While some viewers appreciate its depth and historical context, others find it dense and biased. Overall, it is considered a significant, if polarizing, cinematic interpretation of Nixon's life.

The Robert Redford movie about Watergate is "All the President's Men" (1976). In this film, Redford plays Bob Woodward, a Washington Post reporter who, along with his colleague Carl Bernstein (played by Dustin Hoffman), investigates the Watergate scandal. Their relentless pursuit of the truth uncovers the extent of the political scandal that ultimately leads to President Richard Nixon's resignation. The film is based on the book of the same name by Woodward and Bernstein, highlighting the importance of investigative journalism in a democratic society.

The movie "Nixon," directed by Oliver Stone, is rated R primarily for its strong language, mature themes, and depictions of political corruption and personal scandal. The film explores complex and often dark aspects of Richard Nixon's presidency, including references to Vietnam War atrocities, Watergate, and Nixon's psychological struggles. These elements, along with some intense scenes and adult situations, contribute to the R rating, indicating that it may not be suitable for viewers under 17 without parental guidance.

"Frost/Nixon," directed by Ron Howard, is a dramatized portrayal of the interviews between journalist David Frost and former President Richard Nixon. While it captures the essence of the events and the personalities involved, some aspects are dramatized for effect. The film highlights key themes, such as Nixon's struggles with power and guilt, and portrays the interviews' tension and significance. However, certain details, including character motivations and specific interactions, may be exaggerated or fictionalized for narrative impact. Overall, it's a blend of fact and artistic interpretation.