
Via JustWatch · can change anytime.
Kat is an esteemed astrophysicist, who is scheduled for her first trip into space next year until an accident grounds her. While on leave, coming to terms with the reality that her dream of being an astronaut is over, she volunteers at the local planetarium. There, she is paired up with by-the-book David to work on an exhibit opening right before Christmas. Will the stars align and bring these two together for the holidays?
Honestly? Not very — and that's the charm. It plays the hits, which is exactly the point for a cozy night in.
Tap to find the other Hallmark movies that share it.
Where this one’s rating lands against every other rated Hallmark movie.
Among the lower-rated Hallmark movies — the median is 6.4.
Who’s who before you press play. Nothing here gives the ending away.
Astrophysicist
Planetarium worker
Love interest
Planetarium colleague
Co-worker
Planetarium colleague
Co-worker
Friend/colleague
Person in Kat's life
Doctor/official
Professional in Kat's life
Under the Christmas Sky is available via fuboTV, YouTube TV, and Philo. Streaming options change often, so check current availability before settling in.
Under the Christmas Sky runs about 1 hour and 25 minutes, and was released in 2023.
Nothing close enough to suggest yet — the full catalog is a good place to wander.
Talking Hallmark
So do we. Come hang out on the Talking Hallmark channel, where we dig into movies just like this one, episode after episode.

“I watched Hallmark’s WORST Christmas movie (so you don’t have to)”
Curated by the Talking Hallmark team.