Zig, a hyena living on an island, decides to eat the lovely mermaid, Marina, but Sharko, a strong shark, keeps blocking Zig's path.
King Neptune tries to woo Marina, so Zig and Sharko must work together to bring her back.
An oil spill makes the ocean slick and slimy, so Bernie finds a way to get rid of all the oil in the water.
An oil spill makes the ocean slick and slimy, so Bernie finds a way to get rid of all the oil in the water.
Sharko discovers a buried treasure and builds a luxury mansion, then must deal with the treasure's angry pirate owner.
Marina wants a pet, so she adopts Bernie and treats him like a pet.
Zig helps Sharko rebuild Marina's house after it is destroyed.
Zig and Sharko join forces against a human castaway competing for Marina's affections.
Zig finds interesting objects while digging a tunnel in his latest scheme to catch Marina.
Marina takes up water skiing using Sharko as her "boat"; Zig enlists a crazy dolphin's help to catch her.
Bernie becomes a surrogate father to a lost herd of baby crabs.
Zig and Bernie disguise an old submarine as a female shark to lure Sharko away from Marina.
Zig and Bernie discover a mannequin on the island, while Marina discovers something much more profound.
Zig tries to sabotage Sharko and Marina's dinner date.
Zig finds a wrecked boat on the shore and uses its cargo of bamboo in his latest scheme.
Zig builds a boat out of LEGO-like building blocks to catch Marina.
Marina has to compete with another mermaid for Sharko's affections.
After Sharko rescues Marina trapped in Zig's swimming pool, they find his lair.
Zig throws Marina a birthday party to trap her; she is angry at Sharko for forgetting her birthday.
A jaguar shows up on the island and tries to coach Zig into becoming buff.
Sharko turns the volcano into a ski resort so that Marina can try out some winter sports.
Zig and Sharko must join forces to rescue Marina, who is being taken to an aquarium.
Sharko dresses Zig as a mermaid and forces him to become Marina's companion.
Marina becomes friends with a ghost who shows up at her house, to Sharko's dismay.
Zig finds an elephant in a crate washed up on shore and tries to use it in his schemes.
Zig and Sharko find a strange and mysterious place at the bottom of the sea.
Zig finds a book of Da Vinci's inventions and tries to use them in his schemes.
Zig returns to Africa to live among his fellow hyenas but finds he doesn't fit in.
Sharko's parents visit; they disapprove of his relationship with a mermaid.
Marina and Sharko go camping, but Zig and Bernie aren't far behind.
Zig uses a shapeshifting jellyfish that washes up on shore in his latest scheme.
Zig volunteers to help rid Sharko's hiccups, as another scheme to get Marina.
Bernie makes a strength potion to take over King Neptune's castle.
Zig gets knocked unconscious, and dreams he is in a Western.
Neptune wants to build a road to his tennis court, through Marina and Sharko's house.
A "fishy godmother" grants Marina's wish for legs, but it causes more problems than it solves.
Zig and Bernie find a variety of origami creations from a wrecked cargo ship and use them in their schemes.
The shock of an electric eel causes Zig and Sharko to switch bodies.
Bernie makes robot clones of Zig to get Marina, but they can't be controlled.
When Marina becomes a lifeguard, Zig pretends to drown to trap her.
King Neptune makes Marina a singing star; Sharko must team up with Zig to get her back.
Eating bananas causes Zig to transform into a Jekyll and Hyde monster.
When a cruise ship visits the island, Marina and Sharko pose as passengers, pursued by Zig.
Zig gets amnesia and reverts to a baby after getting struck by lightning.
Bernie moves away from the island after a bitter argument with Zig and invites Sharko and Marina to a house party.
Sharko tries to fix Marina's bad haircut before taking her to the opera.
Zig takes advantage of Marina's shopping addiction by posing as a cab driver.
Marina, Sharko, Zig, and Bernie find a rocket and are accidentally shot into orbit, where they meet a deranged astronaut on a space station.
A fisherman arrives at the island and starts kidnapping undersea life to catch scallops.
When Zig gives up trying to catch Marina, Bernie gets the crazy dolphin to lure her to the island.
A shipwrecked boat carries toys, which Zig employs in his schemes. The last episode of season 1 with the old designs.
