#1
S1E5
Forests
A journey through an underground cave in North America turns perilous when a young Triceratops is separated from its mother.
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#2
S1E1
Coasts
A pregnant Tuarangisaurus is in distress—and her young calf can sense it—as she travels waters that are home to the ocean's deadliest predators.
#3
S1E3
Freshwater
With its feathered body and duck bill, the eight-ton Deinocheirus wades through an Asian wetland in search of relief from pesky biting flies.
#4
Ice Worlds
S1E4
#5
Deserts
S1E2
#6
Islands
S2E1
#7
Badlands
S2E2
#8
Swamps
S2E3
#9
North America
S2E5
#10
Oceans
S2E4
Lowlights
With much of the planet's water supply frozen, rock-climbing sloths and marsupial lions must find a way to withstand barren landscapes.
#14
The Big Melt
S3E5
#13
New Lands
S3E2
#12
Grass Lands
S3E4
#11
The Big Freeze
S3E1
The Quality Arc
Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.
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Episode Engagement
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
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Series Trajectory
One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.
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Season Momentum
Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.
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Season Consistency
How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.
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