Watch S3, EP4: The Whale Blows Rainbows with Fubo for $0 Today
Guppy, an enormous pet whale, is kidnapped by Cuthbert Tuthsum, a butler with ambitions toward evil.
Guppy, an enormous pet whale, is kidnapped by Cuthbert Tuthsum, a butler with ambitions toward evil.
How to watch
More episodes
Marine Boy
S3, EP3 "Ghost of Destruction"Marine Boy faces the greatest challenge of his career in the Ocean Patrol when a ship, the ghost of a heavy cruiser, haunts the seas; wherever it appears, a disaster follows.
Marine Boy
S3, EP4 "The Whale Blows Rainbows"Guppy, an enormous pet whale, is kidnapped by Cuthbert Tuthsum, a butler with ambitions toward evil.
Marine Boy
S3, EP5 "The Great Plankton Menace"Dr. Bulthrod's plane, carrying precious specimens of a rare plankton, is shot down; the plankton escapes into the sea, where it grows and threatens to engulf the entire Earth.
Marine Boy
S3, EP6 "Showdown at Sea"When Professor Puddin builds his complex for extracting gold from seawater, the infamous Dr. Al Kemy devises an evil plan.
Marine Boy
S3, EP2 "The Ghosts of Spook Island"A supposedly haunted island is under the domination of the mysterious Captain Wraith.
Marine Boy
S3, EP1 "The Tremendous Tremendo"When the evil Despotic invents a super electronic brain called Tremendo, he plans world conquest; when he intervenes, Marine Boy is knocked unconscious and kidnapped.
More anime shows
See allYu-Gi-Oh! GO RUSH!!
Twins Yuhi and Yuamu Ohdo believe there's alien life beyond the stars, even though their attempts to prove it have only ended in failure; their hard work and dedication are about to pay off when an extraterrestrial finally arrives on Earth!
Beyblade: Burst
Elementary-school student Valt Aoi is crazy about Beyblade and is best friends with Shu Kurenai, who is a prodigy at the game and has been named to the national Beyblade tournament's final four. Inspired by his friend's accomplishment, Valt makes it his goal to reach the tournament himself. The first step on the road to the big leagues is to win his district tournament, which includes some tough opponents. As he makes his way up the ladder, Valt reaches new heights and extends his circle of friends, eventually -- unknowingly -- dreaming of becoming the best Blader in the world.
Beyblade: Metal Fusion
A new generation of combatants use their spinning Beyblade tops to wage war against evil.
Monster Rancher
In a children's animated series, 11-year-old Genki is pulled into a world of virtual monsters, where he must battle the forces of evil.