When the TV breaks during Finny and Myrtle's favorite show, the two decide that if they can't see what happens next, they'll use their imaginations and make up what happens next.
When Papa Shark has a toothache and is afraid to go to the dentist, it's up to little Finny to show him how to be brave.
It's Finny's first day of school and Finny helps shy little Myrtle the Turtle overcome her nerves, enjoy school, and make new friends.
It's Finny's first sleepover and Finny is soooo nervous. Can the games and spooky stories help Finny overcome the fears of sleeping away from home?
Finny wants to be the superhero Wonder Shark one day. But, Papa Shark thinks there are some other jobs Finny should see and invites Finny to his own job delivering mail around town. On Papa Shark's delivery route, Finny meets a chef, an artist, a firefighter, farmer, and a construction worker. Did any of their jobs change Finny's mind?
Finny and the Fish Scouts set out to help the community, but when they try to earn badges as fast as possible, they end up causing more problems than helping to solve them.
Finny and Sammy promise to mind their manners and not leave a mess at Oscar's house during their playdate, but it will be a hard promise to keep when they accidentally build a mess-making robot.
It's Finny's Birthday today, but instead of having a big Birthday pancake breakfast or pizza lunch, Mama Shark takes Finny out to do boring errands. What's worse, all of Finny's friends they bump into along the way seem to have forgotten what day it is, leading Finny to worry that there might be no cake, piñata, or presents today. Will Finny even have a Birthday party at all?
Finny's class finds out they have a new special friend coming for a visit, a cow named Moolisa. Being from land, it can be tricky for Moolisa to do everything that Finny's friends do in the sea, but Moolisa will try her best to share in all the experiences of life in the ocean.
Finny's class is making a play about their teacher, Mr. Magellan, but Finny doesn't agree with the rest of the students' ideas and tries to make a separate play, which doesn't go very well.
Happy Halloween. Finny and Myrtle are dressed up in their costumes and are ready to Trick-or-Treat at EVERY house in the neighborhood. Well, every house, EXCEPT for the extra spooky haunted Old Angler house. But as the night goes on, Finny and friends realize it's the only house left to Trick-or-Treat at. Will they find the courage to knock?
It's Christmas under the sea, and Santa Walrus is on his way to bring presents to Finny and friends. But while decorating the town's Christmas tree, the tree's star accidentally gets ruined, and without a star, Santa Walrus may miss the town completely. Finny and friends will have to work together to replace the star, quick.