Oona's friend Avi the fish breaks his bones, the guppies learn about doctors and ambulances and what to do when you need a check-up.
As Oona and Deema meet a pair of racecar drivers, the guppies decided to have their own race as they learn about colors and mixing them to make new ones.
Gil meets a puppy at a puppy adoption place as he plans to adopt as the guppies learn about pets such as puppies, kittens, birdies and others as Gil wanted to have the puppy as his own.
Goby meets a bunch ofconstructionworker crabs as they are building a house as the guppies learn about construction nd building things as they plan on building a doghouse for Bubble Puppy.
Nonny meets a marching band until he sees a duck messing them up as the guppies learn about music and marching.
After Molly and Deema check on a restaurant, they encounter the grumpiest fish of all: Mr. Grumpfish who is always grumpy as it is up to the bubble guppies to cheer Mr. Grumpfish.
The guppies learn about the animals and foods found on a farm as Molly learns that a cow is having a baby.
The guppies travel to a haunted house where they learn about being scared as a spooky ghost follows them around.