Popular Theory
Popular Theory streams in the US on Amazon Prime Video, Hoopla and Fawesome, and free with ads on The Roku Channel and 7 more apps, as of October 6, 2026.
Friendship is all about chemistry.
Erwin, a girl genius, is the youngest student in high school. Unfortunately she struggles with social isolation. When she meets fellow science guru, Winston, they team up to invent a chemical that changes the high school hierarchy forever.
Where to watch
9 apps, one package.
This title is not on an app included with Spectrum, but Spectrum Stream TV Signature includes HBO Max, the Disney+ and Hulu bundle, Peacock, Paramount+ and more. Spectrum Internet is required and sold separately.
What if half your apps were already included?
See which ones Spectrum covers and what you’d actually save. No login. No email. Just math.
Amazon Prime Video
Amazon Prime Video with Ads
Hoopla
Fawesome
The Roku Channel
The CW
YouTube Free
Plex
Plex Channel
Amazon Prime Video Free with Ads
Xumo Play
Tubi TV
Amazon Video
Google Play Movies
YouTube
Fandango At Home
