Movies Like Parallel: 10 Sci-Fi Thrillers to Explore

Description: A low-budget sci-fi film that intricately explores time travel and its unintended consequences, focusing on the moral and ethical dilemmas faced by its protagonists.

Fact: The film was made on a budget of just $7,000, yet it won the Grand Jury Prize at the Sundance Film Festival.

Description: A tightly woven time-travel thriller that examines causality and the inevitability of fate, with a protagonist caught in a loop of his own making.

Fact: The director, Nacho Vigalondo, also plays a minor role in the film as one of the lab technicians.

Description: A philosophical sci-fi film that unfolds almost entirely through dialogue, as a man claims to be a 14,000-year-old immortal, challenging his friends' beliefs.

Fact: The script was written in the 1960s by Jerome Bixby, who also contributed to classic 'Star Trek' episodes, but the film wasn't made until after his death.

Description: Centers on a soldier who relives the same eight minutes on a doomed train to prevent a disaster, blurring the lines between reality and simulation.

Fact: The film's premise was inspired by the concept of quantum superposition, where a particle can exist in multiple states simultaneously.

Description: A high-concept sci-fi thriller that explores the consequences of time travel, particularly the moral quandaries of confronting one's future self.

Fact: Joseph Gordon-Levitt wore prosthetic makeup to resemble a younger Bruce Willis, aiming to create a believable connection between their characters.

Description: A contemplative sci-fi drama that juxtaposes personal redemption with the discovery of a parallel Earth, raising questions about second chances and alternate lives.

Fact: The film's co-writer and star, Brit Marling, also co-wrote and starred in 'The Sound of My Voice,' another indie sci-fi film exploring similar themes.

Description: A mind-bending narrative that plays with time loops and identity, revealing shocking twists about the nature of the protagonist's existence.

Fact: The film is based on the short story 'All You Zombies' by Robert A. Heinlein, which is considered a classic of time-travel fiction.

Description: Delves into the complexities of relationships by introducing doppelgängers, creating a surreal and thought-provoking narrative about identity and love.

Fact: The movie was marketed as a romantic comedy, but it subverts expectations by blending psychological thriller elements.

Description: Explores the concept of parallel realities and the psychological effects of encountering alternate versions of oneself and others during a dinner party.

Fact: The film was shot in just five nights with a largely improvised script, adding to its raw and unpredictable feel.

Description: Follows two brothers who return to a cult they once escaped, only to find themselves trapped in a mysterious and possibly supernatural time loop.

Fact: The film is a semi-sequel to the directors' earlier movie 'Resolution,' with both films sharing the same universe.