Parker has a sleepover for the first time and enlists Angus's help to make it as fun as possible. Parker and Angus go the distance to try and give Russell a bath before her stench becomes destructive.
Angus tries to woo the only dog on the mountain that doesn't like him: Jelly. Parker becomes overly obsessed with a game to the point where the little nimbus isn't a cloud anymore.
Parker makes some bougie new friends while the Middlemost Post is on vacation. Angus and Parker compete in a toast-making contest hosted by Ms. Pam and The Middlemost Toast.
When a hot air balloonist crash lands into the Steadfast, the Middlemost Post goes on a journey to help her fix it. When Parker gives shelter to a spider during a blizzard on the mountain, the cloud learns of Angus's deathly spider fear and tries to rid him of it.
After delivering mail in Purpleton, the gang finds a Baby Reggie stowaway that Parker insists on returning home. When a famous Rapper visits the Mountain, Parker gives him a new zest for life.
After receiving the Middlemost Post's "Cloud of the Month" award, Parker gets a big head about the new title. After clogging the bathtub, Parker calls a plumber-that winds up being Ryan in disguise-to fix the problem.
Parker learns that the mail Drone the cloud accidentally destroyed has come back for revenge. Parker, Lily, and Mayor Peeve team up to stop the zombie mail Drone once and for all.
Parker tries to cheer up the grouchiest woman on Mt. Middlemost, Dolores Moody. Parker, Angus, and Russell must save the S.S. Steadfast from a pirate hijacking.
Parker finds a body hair, and the cloud assumes it's time to become an adult. During a trip to the dentist, Parker remembers how the S.S. Steadfast got shipwrecked on Mt. Middlemost.
After winning a raffle, Parker comes into a large sum of money, which Angus warns will come at a cost. The Middlemost Post discover a secret backyard wrestling league that challenges both their skills and egos.
Parker tends to a small strawberry garden until its survival is threatened by a horde of ravenous birds. Parker discovers Angus can't swim, but with the little nimbus' help, the sailor's on his way to becoming a buoy.
Parker picks up a bunch of side hustles in order to afford the perfect gift for Angus. Parker believes Burt can speak via popping bubble wrap, and pretty soon, the whole mountain seeks Burt's wisdom.
Never having made it to dark, the Middlemost Post decide their latest camping trip will finally be the one. Bud and Buddy return to the mountain, claiming they're reformed leprechauns no longer seeking Parker's gold.
Parker makes the Yellow Springs soccer team, which thrills Angus since he never had the chance to play growing up. Parker brings home a hamster the Middlemost Post falls in love with, but this love quickly turns to jealousy.
Parker meets Mt. Middlemost's resident daredevil, who hung up his cape after an extreme jump went wrong. Ms. Pam creates a sentient jar of jam who wins the hearts and minds of all who dine at the Middlemost Toast.
When multiple packages are found smushed, the Middlemost Post must discover the truth and clear their name. Parker wakes up one morning with Tie-Dye Eye, and pretty soon, so does the entire mountain.
On Lily's birthday, Parker gifts her a homemade cardboard suit, but it can't measure up to her mech suit. The Middlemost Post receives a mysterious trinket in the mail, which they come to believe brings bad luck.
When Santa shows up for summer vacation, Angus is conveniently injured and needs Santa to deliver the mail. Parker wants to help Lily's sisters plan her Wing Ding, but it's clear the little nimbus doesn't quite fit in.
Russell's newly budding romance is threatened by an overprotective Blubergian. After getting stranded in the Yellow Springs desert, Parker and Lily's friendship is put to the test.
After Jelly goes missing, Parker and Lily volunteer to help Ms. Pam find her. After accidentally swallowing an irreplaceable Shackleton family stamp, Parker goes inside Angus to retrieve it.