Move over, science fiction — the Internet thinks Donald Trump might have cracked time travel.

A discovered trove of 100-year-old sketches by Prussian-born artist Charles Dellschau could hold clues that the former president —and his youngest son, Barron— could be hopping through the decades, observers suggest.

Dellschau, who died in 1923, was obsessed with “aeros,” bizarre flying machines that looked part balloon, part airplane, part steampunk fantasy.

Conspiracy buffs are zooming in on the word “TRUMP” scrawled across some of the drawings. Add to that a blonde doodled person steering a craft labeled 45, and theorists’ tinfoil hats are practically melting.

Then there are the books.

As previously reported by The Post, in the 1890s, Ingersoll Lockwood penned tales featuring a boy named Baron Trump who lived in the lavish Castle Trump and traveled through the weirdest adventures guided by a wise mentor, Don.

Fans of the theory say the uncanny similarities to Barron Trump are too strange to ignore.

In ‘The Last President,’ Lockwood imagined a chaotic New York vote and Fifth Avenue riots — yes, really.

In the author’s tale, President Bryan picks a ‘Pence’ for his cabinet — just like Trump’s former veep Mike Pence.

From sketches to Fifth Avenue: is Trump rewriting history one timeline at a time? Conspiracy theorists are baffled by 100-year-old sketches by Prussian-born artist Charles Dellschau. Facebook/Charles A.A. Dellschau Even the family’s own words have become ammunition for theorists.

The commander-in-chief has repeatedly said, “I know things that other people don’t know,” sparking endless debate online.

But not everyone’s buying into the chatter. Asked about the theory, the commander-in-chief’s 18-year-old, Erewhon-loving granddaughter Kai Trump was unequivocal: “I don’t want to go down those rabbit holes.”

Forget sci-fi— Donald Trump may have just invented a time machine, according to unveiled 19th century books and drawings, and his son Barron’s along for the ride as well. AFP via Getty Images The story gets spicier with Dellschau’s imagined “anti-gravity” fuel, dubbed NB Gas or “supe,” which powered his flying machines.

UFO enthusiasts are already pointing out that it sounds a lot like what the government calls Unidentified Anomalous Phenomena — tech Trump has promised to reveal to the public.

And of course, the Internet loves to link everything to real life.

Ingersoll Lockwood dreamed up Baron Trump, a boy living it up in Castle Trump and racing through bizarre adventures with his mentor, Don — sparking wild theories thanks to uncanny echoes of Barron Trump. Walmart As per The New Yorker, Donald Trump’s uncle, MIT professor John G. Trump, once reviewed Nikola Tesla’s papers, which conspiracy theorists claim could have included secret time-travel tech.

Toss in a few centuries-old paintings and gargoyles that apparently resemble the former president, and voilà: instant viral fodder.

Whether it’s actual time travel or just another case of humans connecting dots that probably shouldn’t be connected, one thing’s certain: the Trump family continues to inspire theories that would make even Doc Brown from “Back to the Future” raise an eyebrow.