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.
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.
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.
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.