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E1 Lu the Explorer
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E2 I've Got Rhythm?
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E3 I Only Have Eyespots for You
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E4 Double Bubbles
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E5 Cleaner of the Kelp
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E6 How Bubbles Got Her Moves Back
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E7 Dunk the Artist
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E8 Ripple's Sea Dragons
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E9 Tooth Treasure
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E10 Race Around the Reef
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E11 Dunk's Cleaning
Dunk is afraid to go to the cleaner shrimp when he has a parasite in his mouth.
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E12 Ripple's Whale of a Tale
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E13 Golden Legs Gush
Gush shows everyone how fast a frogfish can swim
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E14 A Fish Called 'Mo'
Dunk's cousin Mo, a giant sunfish, comes to visit.
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E15 Deflated Dunk
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E16 Kelp Forest Keepers
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E17 Splash's Swim School
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E18 Light at the End of the Tunnel
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E19 Small But Mighty
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E20 Washed Away
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E21 Super Splash!
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E22 Pearlene
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E23 Guess Who?
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E24 Sleepless Sleepover
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E25 The Kelp Needs Help
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E26 Mountain of Fire
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E27 One Big Ocean: Part 1
Splash invites his friends on a Reeftown Rangers adventure.
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E28 One Big Ocean: Part 2
Splash and his friends meet a young sea turtle.
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E29 One Big Ocean: Part 3
Splash and his friends help a parrotfish save the reef.
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E30 One Big Ocean: Part 4
Although he has fun exploring the ocean, Splash is happy to be home.
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E31 The Greatest Treasure of All
Flo sets the kids out on a mysterious journey to find treasure.
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E32 Crabulous
Bubbles meets a decorator crab who helps her with her self-confidence.
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E33 Here Comes The Hammerhead
Splash and Bubbles help Ripple find his brother, with the help of Zee and a shark.
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E34 Denny's New Shell
Maury finds Denny's molted exoskeleton in the reef and fears something is wrong with Denny.
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E35 The Sand Is Grand
Splash and his friends find a parrotfish while playing at the sandy bed.
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E36 The Treasure Trove
Bubbles gets trapped in a treasure chest.
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E37 Mayor for a Day
Dunk volunteers to fill in for Mayor Sting when he attends a stingray migration.
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E38 Oblo from Down Below
Bubbles meets some lipstick tubeworms and Oblo the blobfish.
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E39 Chompy's New Foods
Chompy the parrotfish wants to try new things when she sees Splash and his friends feasting on a variety of things in the water column.
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E40 Cloning Around
Bubbles and Ripple meet a jellyfish.
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E41 The House Hunt
A goby fish and a pistol shrimp come through Reeftown in search of a new home.
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E42 Dolphin Games
Splash thinks the only way to keep Dorsal the dolphin as a friend is if he creates a challenging game.
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E43 Partner Pals
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E44 Ultimate Hide and Seek
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E45 My Son, the Frogfish
Gush's long-lost son Wart visits Reeftown; to show how much she appreciates him.
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E46 A Day for Papa
Ripple sets up a full day of special activities for her Papa.
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E47 Bubbles' Little Friend
Bubbles takes in a nanoplankton friend who is invisible.
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E48 Mrs. Tidy
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E49 The Lure of Rocks
Dunk is determined to get rid of his lucky rock, which he now believes has become a bad luck charm.
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E50 What's the Story, Maury?
Maury mixes up details due to his poor vision.
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E51 Smell of Fear
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E52 A New Spin
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E53 Clubhouse Clash
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E54 Raise the Reef
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E55 Stormy Waters
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E56 Scoot on Over!
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E57 Puffy
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E58 The Big Shake