In this 2023 superhero film directed by Andy Muschietti, the story follows Barry Allen, also known as the titular speedster, as he uses his super-speed abilities to travel back in time in an attempt to prevent a family tragedy. This decision inadvertently alters the timeline, leading to unforeseen consequences and a new reality that Barry must navigate. The film features a star-studded cast, including Ezra Miller, Michael Keaton, and Ben Affleck, reprising their roles from previous DC films. Notably, the movie explores themes of time travel and its impact on personal and universal scales. For those interested, it can be viewed for free on 123Movies / Movies123.