TV series
Secrets of Size: Atoms to Supergalaxies
2022–, English, on BBC Four.
In this mind-bending series, Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies.
- Seasons
- 1
- Episodes
- 2
- Episode length
- 59 min
- Status
- Still running
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Where to watch Secrets of Size: Atoms to Supergalaxies
Secrets of Size: Atoms to Supergalaxies is streaming on Magellan TV in India.
Stream
Magellan TVAvailability in India as of 13 November 2026. Streaming data by JustWatch.
Latest episode
S1 E2: Going Big
Aired 23 May 2022
Seasons 1
Cast & crew
Details
- First aired
- 16 May 2022
- Network
- BBC Four
- Language
- English
- Country
- United Kingdom
- Type
- Documentary
Check ratings elsewhere
News & fan talk
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Secrets of Size: Atoms to Supergalaxies: quick answers
Is Secrets of Size: Atoms to Supergalaxies worth watching?
Secrets of Size: Atoms to Supergalaxies doesn’t have enough ratings for a verdict yet.
How many seasons of Secrets of Size: Atoms to Supergalaxies are there?
Secrets of Size: Atoms to Supergalaxies has 1 season and 2 episodes, about 59 minutes each.
Is Secrets of Size: Atoms to Supergalaxies finished?
Secrets of Size: Atoms to Supergalaxies is still listed as returning series; no new episode date is announced yet.
Which OTT platform is Secrets of Size: Atoms to Supergalaxies on?
Secrets of Size: Atoms to Supergalaxies is streaming on Magellan TV in India. (Checked 13 November 2026.)
Secrets of Size: Atoms to Supergalaxies parents guide: is it suitable for kids?
No age rating is listed for Secrets of Size: Atoms to Supergalaxies yet.
What shows are like Secrets of Size: Atoms to Supergalaxies?
If you liked Secrets of Size: Atoms to Supergalaxies, try How Do They Do It?, Biography, History 101.