The best and most iconic film adaptation of "20,000 Leagues Under the Sea" is the 1954 Disney version, directed by Richard Fleischer. This live-action film is notable for its special effects, innovative underwater scenes, and the portrayal of Captain Nemo by James Mason. It blends adventure with visual spectacle, becoming a classic of its time. The film received critical acclaim and won two Academy Awards, solidifying its status as the definitive version of Jules Verne's novel. Other adaptations exist, but the 1954 film remains the most celebrated.

Disney's "20,000 Leagues Under the Sea" was removed from its theme parks and attractions primarily due to maintenance issues and safety concerns. The original Disneyland ride, which opened in 1955, faced challenges related to upkeep and mechanical failures. Additionally, changing guest preferences and the evolution of attractions led to its decline in popularity. The ride was ultimately closed in 1994, and while Disney has retained the film's legacy, the investment in newer, more technologically advanced attractions shifted focus away from this classic.

The 1997 version of "20,000 Leagues Under the Sea" is a television miniseries directed by Michael Anderson, based on Jules Verne's classic novel. It stars Michael Caine as Captain Nemo and Patrick Dempsey as Ned Land. This adaptation closely follows the original story, featuring the Nautilus submarine and its adventures under the sea. The miniseries is known for its special effects and attempts to bring a more faithful representation of Verne's themes compared to earlier adaptations. It aired on the ABC network.

"20,000 Leagues Under the Sea," particularly the 1954 Disney adaptation, is widely regarded as a classic. It features impressive special effects for its time, a captivating performance by James Mason as Captain Nemo, and a visually stunning portrayal of underwater adventures. The film adapts Jules Verne's novel, blending adventure, science fiction, and moral themes. While some may find its pacing slow by modern standards, it remains influential in the genre and is appreciated for its artistic merits and imaginative storytelling.