Ulysses 31
Season 1, Episode 13: Song of Danger
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Pirates kidnap the children to force Ulysses and No-No to brave the danger of the Sirens, said to guard a map of the Olympus universe.
All Episodes - Season 1
Episode 1
Vengeance of the Gods
Episode 2
The Black Sphere
Episode 3
Flowers of Fear
Episode 4
Cronus, Father of Time
Episode 5
The Lost Planet
Episode 6
Guardian of the Cosmic Winds
Episode 7
The Eternal Punishment
Episode 8
Mutiny on Board
Episode 9
Secret of the Sphinx
Episode 10
Temple of the Lestrigones
Episode 11
Trapped Between Fire And Ice
Episode 12
The Seat of Forgetfulness
Episode 13
Song of Danger
Episode 14
Phantoms from the Swamp
Episode 15
Before the Flood
Episode 16
The Magic Spells of Circe
Episode 17
The Hidden Truth
Episode 18
Lost in the Labyrinth
Episode 19
At the Heart of the Universe
Episode 20
The Magician in Black
Episode 21
Rebellion on Lemnos
Episode 22
The City of Cortex
Episode 23
Strange Meeting
Episode 24
The Lotus Eaters
Episode 25
Calypso
Episode 26
The Kingdom of Hades