Watch S2:E4 — Who Built Supervillain Island? — What on Earth?

What on Earth?

S2 · E4 — Who Built Supervillain Island?

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S2:E4 · Who Built Supervillain Island?

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Episodes

6 episodes in this season

E1

Finding Vietnam's Lost POWs

44 min

E2

Secret of Doomsday Mountain

44 min

E3

Lost City of the Kalahari

44 min

E4

Now Playing

Who Built Supervillain Island?

44 min

E5

Curse of the Lost Kingdom

44 min