Since the serie was cancelled, a lot of mysteries remains unresolved. I (Jasonx11) will try to answer it within the serie without guessing it. Otherwise we have to wait until Cage of Eden anime come out (hopefully).

Wonderful World arc

Q: What was the huge beak thing that attacked the airplane in mid-flight?

A: It is either an Argentavis or another flying bird that flew in the sky just as the plane came into the island range.

Q: Why does the beak appeared inside the plane?

A: During the turbulance the plane was probably caught between two realms: the future island and their present. Between the two realms both objects passed each other without any damage.

Raft arc

Epidemic arc

Adult Camp arc

Brain Loss arc

School arc

Exploration Party arc

Argentavis arc

Cursed Mountain arc

Fight or Flight arc

Mami the Clairvoyant arc

Gigantopithecus arc

Obelisk arc

Animal Battle arc

Pyramid arc

Failed Experiment arc

Showdown arc

Operation arc

Tower of Death arc

Past, Present and Future arc

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