1Fishy Story
Zig, a hyena living on an island, decides to eat the lovely mermaid, Marina, but Sharko, a strong shark, keeps blocking Zig's path.
2Desert Island Drought
King Neptune tries to woo Marina, so Zig and Sharko must work together to bring her back.
3King Neptune's Court
An oil spill makes the ocean slick and slimy, so Bernie finds a way to get rid of all the oil in the water.
4The Slick
An oil spill makes the ocean slick and slimy, so Bernie finds a way to get rid of all the oil in the water.
5Treasure Island Tricks
Sharko discovers a buried treasure and builds a luxury mansion, then must deal with the treasure's angry pirate owner.
6Cold Snap
Zig battles a polar bear after the water freezes.
7Mermaid's Pup
Marina wants a pet, so she adopts Bernie and treats him like a pet.
8Work in Progress
Zig helps Sharko rebuild Marina's house after it is destroyed.
9Cruising
Zig builds some ships in order to eat Marina.
10The Mermaid in the Sky
Marina dreams of being a flight attendant.
11A Lovesick Survivor
Zig and Sharko join forces against a human castaway competing for Marina's affections.
12Digging Deep
Zig finds interesting objects while digging a tunnel in his latest scheme to catch Marina.
13Waterski Hit
Marina takes up water skiing using Sharko as her "boat"; Zig enlists a crazy dolphin's help to catch her.
14Nurse Marina
Marina nurses Zig back to health after one of Sharko's beatings.
15Hundreds of Kids and Counting
Bernie becomes a surrogate father to a lost herd of baby crabs.
16The Submarine
Zig and Bernie disguise an old submarine as a female shark to lure Sharko away from Marina.
17A Tale of Two Legs
Zig and Bernie discover a mannequin on the island, while Marina discovers something much more profound.
18Little Shrimp Buddy
A shrimp competes with Bernie as Zig's assistant.
19The Horribly Hungry Hyena
Zig tries to sabotage Sharko and Marina's dinner date.
20Volcano Turbo
Zig tries using the active volcano against Marina.
21Lighthouse
A lighthouse is put up near the island after a fog roll in.
22Bamboozled
Zig finds a wrecked boat on the shore and uses its cargo of bamboo in his latest scheme.
23Blown Up!
Zig uses inflatable balloons to get to Marina.
24Silly Builders
Zig builds a boat out of LEGO-like building blocks to catch Marina.
25The Manic Mermaid
Marina has to compete with another mermaid for Sharko's affections.
26Aqua Golf
Zig attempts to catch Marina while she plays golf with Sharko.
27The Island Tour
Zig holds a go-cart race to catch Marina.
28Moby Zig
Zig enlists several whales in his schemes.
29Santa Zig
Zig dresses up as Santa Claus to catch Marina.
30Saving Mermaid Marina
After Sharko rescues Marina trapped in Zig's swimming pool, they find his lair.
31Silly Sleight of Hand
Zig and Bernie find a magician's powerful hat and cane.
32Hammerhead Cousin
Sharko leaves temporally with a hammerhead shark.
33Sharko Hunting
A Japanese whaling ship tries to capture Sharko.
34The Challengers
A manta ray competes for Marina's affections.
35Birthday Party
Zig throws Marina a birthday party to trap her; she is angry at Sharko for forgetting her birthday.
36The Coach
A jaguar shows up on the island and tries to coach Zig into becoming buff.
37Frozen Island
Sharko turns the volcano into a ski resort so that Marina can try out some winter sports.
38At Your Service
Zig becomes Marina's butler in an attempt to catch her.
39Freedom for Marina!
Zig and Sharko must join forces to rescue Marina, who is being taken to an aquarium.
40Marina's New Friend
Sharko dresses Zig as a mermaid and forces him to become Marina's companion.
41The Fan
A piranha befriends Sharko and Marina but actually intends to eat her.
42The Ghastly Ghost
Marina becomes friends with a ghost who shows up at her house, to Sharko's dismay.
43Sea's Up
A tsunami floods the island, and Marina temporarily loses Sharko.
44Fairground Follies!
Zig and Bernie build an amusement park to trap Marina.
45Zig's Jumbo Friend
Zig finds an elephant in a crate washed up on shore and tries to use it in his schemes.
46Bottom's Bottom
Zig and Sharko find a strange and mysterious place at the bottom of the sea.
47Babysitting
Marina babysits a baby octopus.
48Caution, Genius at Work!
Zig finds a book of Da Vinci's inventions and tries to use them in his schemes.
49Goin' Home
Zig returns to Africa to live among his fellow hyenas but finds he doesn't fit in.
50Sharko and His Folks
Sharko's parents visit; they disapprove of his relationship with a mermaid.
51Camping Calamity
Marina and Sharko go camping, but Zig and Bernie aren't far behind.
52Magical Jellyfish
Zig uses a shapeshifting jellyfish that washes up on shore in his latest scheme.
53Boo... Who!
Zig volunteers to help rid Sharko's hiccups, as another scheme to get Marina.
54Super Zig
Inspired by a TV show, Zig emulates a superhero to trap Marina.
55The Tiny Tyrant
Bernie makes a strength potion to take over King Neptune's castle.
56Coral Reef Cowboys
Zig gets knocked unconscious, and dreams he is in a Western.
57The King's Highway
Neptune wants to build a road to his tennis court, through Marina and Sharko's house.
58Fancy Footwork
A "fishy godmother" grants Marina's wish for legs, but it causes more problems than it solves.
59Origami
Zig and Bernie find a variety of origami creations from a wrecked cargo ship and use them in their schemes.
60Me, Myself and I
The shock of an electric eel causes Zig and Sharko to switch bodies.
61War of the Clones
Bernie makes robot clones of Zig to get Marina, but they can't be controlled.
62Save the Hyena!
When Marina becomes a lifeguard, Zig pretends to drown to trap her.
63Bristlebeard's Adventure
A band of pirates tries to capture Marina.
64The Noble Knight of the Lagoon
Zig challenges Sharko to a jousting duel.
65Troublemakers
Troublemakers
66Marina Superstar
King Neptune makes Marina a singing star; Sharko must team up with Zig to get her back.
67The Were-Yena
Eating bananas causes Zig to transform into a Jekyll and Hyde monster.
68Loony Cruise
When a cruise ship visits the island, Marina and Sharko pose as passengers, pursued by Zig.
69Lightning Love
Zig gets amnesia and reverts to a baby after getting struck by lightning.
70Bernie Moves House
Bernie moves away from the island after a bitter argument with Zig and invites Sharko and Marina to a house party.
71Hair Story
Sharko tries to fix Marina's bad haircut before taking her to the opera.
72Space Fruits
Extraterrestrial fruit juices give Zig and Sharko strange powers.
73Zig Taxi-Driver
Zig takes advantage of Marina's shopping addiction by posing as a cab driver.
74Cop Duty
Marina convinces Sharko to join the police force.
75Goofy Astronauts
Marina, Sharko, Zig, and Bernie find a rocket and are accidentally shot into orbit, where they meet a deranged astronaut on a space station.
76Fisherman's Catch
A fisherman arrives at the island and starts kidnapping undersea life to catch scallops.
77The Return of the Crazy Dolphin
When Zig gives up trying to catch Marina, Bernie gets the crazy dolphin to lure her to the island.
78Toys Attack!
A shipwrecked boat carries toys, which Zig employs in his schemes. The last episode of season 1 with the old designs.