Watch Planetary Defenders Online
Want to stream Planetary Defenders? IMPlayer brings Planetary Defenders (2025) to every screen you own in 4K Ultra HD. Here is everything you need to watch it.
Watch trailer
What is Planetary Defenders about?
How would humanity respond if we discovered an asteroid headed for Earth? NASA’s Planetary Defenders is a gripping documentary that delves into the high-stakes world of asteroid detection and planetary defense.
- Genres
- Documentary
- Released
- 2025-04-16
- Director
- Scott Bednar
- Rating
- ★ 9.0 / 10
How to Watch Planetary Defenders on IMPlayer
Watching Planetary Defenders on IMPlayer takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.
Watch Planetary Defenders in 4K on IMPlayer — see IPTV subscription or compare IPTV subscription plans.
Start Watching Planetary Defenders Today
Start your IMPlayer free trial and watch Planetary Defenders today, along with thousands of movies, series and live channels in 4K Ultra HD.
