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TED-Ed RIDDLES poster

TED-Ed RIDDLES Seasons

Returning Series 2015–2018

All seasons

4 seasons - 32 episodes
Season 4
Season 4 2015
9 episodes - Nov 30, 2015
Season 3
Season 3 2015
7 episodes - Jun 16, 2015
Season 2
Season 2 2015
8 episodes - Oct 5, 2015
Season 1
Season 1 2015
8 episodes - Sep 1, 2015