Fair rating?Adventure Time· Season 4 · Episode 5
Return to the Nightosphere
Finn and Jake find themselves imprisoned in the dark realm of the Nightosphere with no memory of how they came to be there.
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#4In Season 4of 26 rated episodes
#17All-timeof 160 rated episodes
+0.4vs season avgSeason 4 averages 8.3
2012First airedApril 30, 2012