Phinny, a construction worker rookie, is determined to prove his worth to his more seasoned colleagues as they try to fix a broken bridge. The builders have to make a skateboard park, but an indestructible boulder stands in the way.
The Pupstruction crew must build a larger home for a canine family, but they must not disturb a next-door neighbor who's trying to sleep. A wannabe construction worker pits his team against the Pupstruction crew in a sand castle contest.
Phinny tries to impress Bailey on her birthday by building a roller coaster. Tank spends the rest of the night reading a cook book, thus he becomes out of focus when he and his fellow builders construct a restaurant.
The Pupstruction pups find themselves in a mission where they must stop a runaway ball with a hamster in it. Luna is addicted to digging, thus she keeps making holes in the ground in tasks that do not call for the action.
Bailey gets a splinter in her paw, and is afraid to have the doctor extract it. When Pupstruction receives an order to build a water park, a jealous Bobby disguises himself as a dog to enter the pups' HQ, and steal their blueprint.
Roxy teaches some demolition to Bailey who then takes a modified kick scooter on a wrecking rampage in the city. Harry is so conscious of the Pupstruction pups' safety, that his methods start affecting their work.
The smell of a dish kept too long inside Pupstruction headquarters is so strong that the construction pups have to demolish and rebuild the place. Phinny accidentally does some damage to his granny's dump truck, thus he tries to mend it.
When Harry accidentally drops a platter of cupcakes, he assigns the Pupstruction pups to bake a new batch even if they lack experience in the job. Mayor Gilmore orders Pupstruction to make a new truck for the fire department.
While the Pupstruction pups are building a library, Bobby sends a robot to hamper the task. The canine builders are called to construct an undersea school for fish, but they must work around bothersome currents that come sporadically.
Roxy hopes to see a passing comet as she heads to the observatory, but she must get around a long stairway which is too hard as she is a wheeled dog. The builder pups make a treehouse for a bunny who wants them to spend more time with him.
The Pupstruction pups assist a scientist whose laboratory keeps exploding. A silence-loving crustacean wants to keep an extroverted fish neighbor at bay, thus he seeks the service of Pupstruction.
Luna's hair has grown so long that it obstructs her sight. Phinny wants to make a Mother's Day gift for his Mom, but his colleagues need his help with their gifts.
Because the rollercoaster they built proved very popular, Pupstruction has to expand the parking places. While testing a machine, Professor Frazzle finds a dinosaur bone at the site, thus she calls Pupstruction to further the dig.
When Lloyd goes out of town, Pupstruction builds a cart with wheels to help move the mayor around. Lickety Split builds a hot air balloon but gets stuck and asks the crew for help.
Pupstruction has to construct their tiniest and most delicate build yet. Pupstruction builds a house for a chameleon who can't seem to decide what color it should be.
Santa Paws crashes his sleigh on Christmas Eve, and needs help building new toys and delivering them. When it snows in Petsburg, the snow and ice makes the ground slippery.
Phinny and the crew work to give Bailey some snowy fun on a warm summer day. Pupstruction builds a tower tall enough to see over the clouds by thinking outside the box.
The post office is so overwhelmed on Valentine's Day that it looks like no one will get their cards and gifts. Roxy must admit her fear of the dark to the Pup crew.
The Pupstruction Crew helps Chef Bonetelli make a giant pizza for a big bunny birthday party. Pupstruction needs to create a daycare center fun enough to keep baby builders busy.
Pupstruction builds a lighthouse to keep boats safe day and night. When the heat becomes too much for a friendly frog, Pupstruction recreates a rainforest environment in his home.
The Pups are worried the castle they built isn't fit for a princess until they realize this princess actually loves to play. The Pupstruction crew becomes trash collectors for the day.
The Pup Crew builds a pirate ship, but Bobby Boots mistakes this for a real treasure hunt. Pupstruction tries to build a playground that will make all the kids happy.
The pup crew is excited to perform at the Petsburg Bowl, but the big show is almost ruined when Bobby thinks he's not invited and sets out to steal everyone's instruments.
