

Animation•
Kids•
Documentary•
The Best Episodes of Once Upon a Time... Planet Earth
Every episode of Once Upon a Time... Planet Earth ranked from best to worst. Let's dive into the Best Episodes of Once Upon a Time... Planet Earth!

Animation•
Kids•
Documentary•
The Best Episodes of Once Upon a Time... Planet Earth
Every episode of Once Upon a Time... Planet Earth ranked from best to worst. Let's dive into the Best Episodes of Once Upon a Time... Planet Earth!
Teenagers, the internationally-recognized characters of the series, will be the heroes of adventures in which they will play an active role. They will be a...
Seasons1
Best Episodes Summary
"Planet guards" is the best rated episode of "Once Upon a Time... Planet Earth". It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 12/15/2008. This episode scored 0.0 points higher than the second highest rated, "Episode 2".