Bea decides to take a job at Fish Flakes but soon misses her old carefree life, but no one will let her quit. Meanwhile, Milo and Oscar get sent to daycare after being mistaken of being Bea's babies. Oscar dislikes the babies, but Milo wears a diaper and stays nearby.

After Milo accidentally rips Bea's new red dress for the school dance, he and Oscar find another copy of the dress, but it costs 1,000 fish dollars. To raise the money to buy the dress, they get jobs at the store so they can use their salaries to buy it.

Randy Pincherson steals Bea's diary and blackmails her to go on a date with him. In order to get her diary back, she goes on a date with Randy. Milo and Oscar steal Randy's diary.

Jocktopus reveals that it is his father's dream for Jocktopus to sing in a musical play about potatoes. So during the Freshwater High musical play, "Potatoes In Winter," He goes in the play to sing but gets nervous. Note: This is in two parts, usually listed as episodes 138 & 139. Disney still lists this as the season final, even after showing 3 more episodes after it.

The talent show is coming to Freshwater and Bea is determined to win. But the talent show turns into a battle when Clamantha gets into a fight and the entire school is divided into the non-participants and the performers. Can the gang stop this talent tragedy?

Bea and Oscar help Milo study for his final exam so he doesn't get held back a grade like their old friend Kevin. To do this, they must find Milo's un-traditional way of learning.

Oscar and Milo believe that their teacher Mr. Baldwin lives a double life as a comic book superhero and Bea, who needs to do a report for Dr. Frog's class. He tells Bea that they have to get proof.

After Mr. Mussels gives an inspiring speech about going after your dreams, Milo ends up finding his dream in an actual dream … he wants to fly across the pet store! Bea and Oscar are certain that this is just a Milo moment, but realize he’s serious after Milo decides to trap a bird to fly on.

The class is on a field trip to PuPu Goodtimes Amusement Park and Bea, Milo and Oscar all have individual goals in mind. Bea is determined to get on a ride with Steve Jackson, Milo is embroiled in a macho man "ride-off" with Randy Pincherson and Oscar joins forces with Jumbo Shrimp and Albert Glass to win a Galactic Fish Battles Limited Edition Fork Saber. It's all fun times at PuPu Goodtimes!

It's Halloween in Freshwater, and the gang is eager to get boatloads of candy, but Jocktopus is beating trick-or-treaters up and stealing their candy. To get their sweets and not get beaten up by Jocktopus, they journey outside the tanks to trick-or-treat. It's going to be a wild Halloween for Milo, Oscar, and Bea! Note: This was originally scheduled to be episode 201.

Milo and Bea get a dog named Murphy, who Oscar doesn't like. Oscar ends up yelling at the dog and as a result the dog runs away. Now Bea, Milo, and Oscar will have to go and find Murphy.

Oscar tries to get Milo involved in recycling, but Milo goes overboard when Oscar comes up with a "fake" story and tells Milo about a Magical Earth Troll.

Oscar discovers his college dreams and aspirations are put in jeopardy because of his lack in extracurriculer activities, so Bea and Milo try to find Oscar the perfect club, and find Clamantha fighting with her arch-nemesis, Clamanda, and Milo, Oscar, and Bea's friends join Clamantha's cheerleaders team after her team gets brought by humans, but Bea turns out to be in Jumbo Shrimp and Albert Glass' map club so she is unable to help out the team. This is a two-parter, Disney lists as episodes 133 & 134

Oscar is being honored with an award for perfect attendance and, unfortunately, Bea and Milo get the trio into a predicament, preventing Oscar from being there, but Oscar is determined to make it back on time and get his award.

When Bea goes on several dates and Milo gets a date, Oscar feels he is the only one without a girl so and pretends to have a girlfriend named Doris Flores Gorgeous, but he struggles to keep it a secret from Milo and Bea. He tells Milo and Bea that Doris lives in Fish Niagara Falls so the friends try to "cheer up" Oscar by taking him there. When they get there, there actually is Doris who turned out to be Clamantha.

Milo and Oscar search for new roommates after they fight over Milo's messy habits.

Milo ventures out of the fish tank alone, so Bea and Oscar follow him. The three best friends catch the eye of the pet store cat Wilfred, and Milo must put aside his differences with the others to save the day.

When Principal Stickler says that the boys would build a float and the girls will build another, It becomes a fight because Milo did not come up with a plan and plans one of the boys to spy on them. When the boys and the girls show tier floats, it collapses and becomes a Principal Stickler Float.

Milo comes up with a great idea: fridge hats. But when Randy Pincherson mysteriously starts selling fridge hats and claiming he came up with the idea, Milo and the others must figure out how Randy knew the idea and how to expose him.

When the school homecoming dance is coming up, Bea must be chosen to be Homecoming Queen. But her "embarrassing" parents have signed up to be chaperones. So Milo and Oscar help plan a fake school dance to stop them from ruining Bea's chance at becoming queen.

When Oscar believes nobody understands him, he joins a group of goth fish and changes his name to Bubblethorn. So Milo and Bea try to get Oscar back from Razor and the goth fish.

Milo and Oscar dress as the school's mascot, but when the fame-happy Milo exposes them, not only does he embaress his shy brother, but players from a rival school kidnap Oscar to destroy Freshwater High's moral for the championship.

Oscar seems to be the only one without a good sense of humour, so Milo and Bea tell Oscar to just pretend everything's funny. But he goes too far.

Milo finds a siamese fighting fish ninja and uses his skills to intimidate Jocktopus from bullying. However, the power quickly goes to Milo's head, and he begins to punish everyone by trapping them in glass bowls for ridiculous reasons.

Bea is friends with everyone except Albert, who doesn't like her. Bea takes it upon herself to get him to be friends with her at any cost.