Molly and Gil and their friends are invited to Buddy the dolphin's first birthday party.

Bubble Boy (Gil) and Guppy Girl (Molly) have to stop Sid Fishy from making Big Bubble City stinky.

Molly and Gil saw a kitten named Bubble Kitty on their way to school, so they, Mr. Grouper and their friends try to find a home for her.

Gil and Goby bring a tadpole, named Fernando, to school. As the day goes by, he becomes a frog, and is invited to the running of the bullfrogs and return to the pond.

The rain ruins a game called "Puddleball" after it spoils a kickball game, but Bubble Puppy has to overcome his fear of thunder in order to save the day and the puddleball game as well.

Santa Claus and his horse, named Snowflake, come to the rescue after Mr. Grouper's van gets stuck in the snow.

After Molly and Gil discovered the pumpkin patch is empty, their turkey friend leads them and their friends on a hunt for more pumpkins.

The Mayor gets a bad stomach ache while practicing for the "Bubbletucky Mayor-thon", so the guppies decided to have a marathon in the hospital.

The Bubble Guppies are looking into hygiene while Mr. Grouper is nursing his cold. The Guppies put on a parody of the television soap opera General Hospital.

The Bubble Guppies go for an adventure on the party boat but, an ice ball falls into the ocean and the Guppies must save the boat.

The Bubble Guppies become bees while living with the bees' life. They turn nectar into honey which is a lot of teamwork. The kids must work together to make honey for the queen bee's teatime.

Nonny breaks his glasses before school and cannot see anything. Eventually, he learns to use taste, touch, sight, hearing, and smell to navigate around a shopping mall to find the glasses store to retrieve his glasses after they have been fixed.

The Bubble Guppies are excited to perform with an orchestra. Soon, a flying saucer appears. The conductor leaves to get his camera so he can take a picture of the flying saucer, leaving nobody to conduct. Eventually an alien comes out of the flying saucer and conducts the orchestra.

The Bubble Guppies learn about baby animals and the mystical Oyster Bunny.

While Mr. Grouper is at a dentist appointment, Mr. Grumpfish fills in for him. Problems arise when this grouchy substitute teacher claims he does not like anything. So, the Bubble Guppies recap on the best songs from Season 1 and show him that there are things to like.

The Bubble Guppies take a drive in Mr. Grouper's car in an amusement parking lot, with fun and exciting tracks and cool amusement park-like rides for cars to drive on.

Will Molly and Gil return the ring to the Sun King, or will it be night time in Bubbledom forever?

The guppies must save Bubbledom from the Night Wizard in order not to make it nighttime forever.

Bubble Puppy is sick. The Bubble Guppies head to the veterinarian in hopes that he will get better.

Gil navigates across the Arctic and the other Guppies learn about Arctic animals along the way.

The Bubble Guppies star in a parody of The Wizard of Oz relating to Australia.

Molly wants to be a ballerina, and the Bubble Guppies perform in a ballet tournament.

The Bubble Guppies watch elephants playing basketball.

Officer Miranda teaches Gil and the other kids how to be police officers and use laws to keep people safe.

Oona's friend Avi is worried about starting school for the first time. The Bubble Guppies demonstrate how much fun school can be to mollify Avi.