If proven true, the parallel universe theory would solve seven of Manifest’s mysteries. Since the series started, audiences – and the characters – have developed different ideas pertaining to what really happened to the passengers when Flight 828 disappeared. The existence of alternate realities is one of several explanations circulating among viewers.
While the idea hasn’t been embraced by the main characters yet, the parallel universe concept is one of the most popular Manifest theories. It’s often discussed as an alternative to Ben’s belief that the passengers were resurrected by a higher power or this idea that time travel is at the heart of everything that’s going on in the series. Some are of the opinion that neither of these scenarios will be used to explain Flight 828’s disappearance when the show’s story concludes in Manifest season 4. If neither theory is correct, the next most plausible explanation would be that the passengers secretly hail from an alternate reality.
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Allegedly, there are at least two realities in Manifest and in turn, two different sets of Flight 828 passengers. According to this fan-favorite theory, the versions of Michaela, Ben, Saanvi, and all the others from one timeline have all been replaced by their alternate universe counterparts, who are oblivious to the fact that they’re living in a different world. While there are certain things in the show this theory doesn’t account for, such as Al-Zuras laying eyes on Flight 828, Manifest moving in this direction would provide the show with answers to seven of its lingering mysteries.
None of the characters have been able to get to the bottom of what actually happened to Flight
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