Looking to feast your eyes on "What If" on your TV, phone, or tablet? Searching for a streaming service to buy, rent, download, or play the sci-fi & fantasy TV series via subscription can be a challenge, so we here at Moviefone want to do the work for you.

We've listed a number of streaming and cable services – including rental, purchase, and subscription choices – along with the availability of "What If" on each platform. Now, before we get into the ways and means of how you can watch "What If" right now, here are some details about the ViuTV show.

Originally premiering March 31st, 2025, "What If" stars Ernesto de Sousa, Power Chan, Ng Wing-Sze, Ashley Lin. The series runs 1 season(s), and has a score of 80 (out of 100) on TMDB, which collated reviews from 5 experienced people.

Curious to know what the TV series is about? Here’s the plot: "Lok Chak-shun, a man who lives three different destinies shaped by his choices. Born prematurely in 1960s Hong Kong, he grows up passionate about comics. A school prank leads him to a fateful encounter with a mysterious girl, but a broken kite triggers a ripple in time, splitting his life into three divergent paths."

"What If" is currently available to stream via subscription, rental, or purchase on .