S1, EP7 "Darker Parker; Lady of the Tree"
Parker makes snowcones for everybody; Parker and Angus make a delivery to a spooky old woman in the Middlemost Forest.
S1, EP6 "My Buddy, Buddy; Love Letters"
Parker's new friend turns out to be a leprechaun who is looking for gold; when Parker finds mysterious love letters written by Angus, the little nimbus goes all over town to find who they're meant for.
S1, EP5 "The Tooth Hurts; The Middlemost Toast"
Parker accidentally loses one of Russell's teeth and hurries to find a replacement before Angus finds out; on Free Toast Day at the Middlemost Toast, Parker does whatever it takes to make sure Angus enjoys the holiday.
S1, EP4 "I Named It Whiskers; How Angus Got His Groove Back"
After one of Lily's inventions goes haywire, she enlists Parker's help to get it back under control; Angus loses his lucky beanie, which causes him to revert back to being a child.
S1, EP3 "POSTBOT 3000; Boom Goes the Cloud"
Angus agrees to compete against Mayor Peeve's new POSTBOT in a mail-off to save the Middlemost Post; Parker's anxiety escalates over thunder.
S1, EP2 "BURT! The Musical; Sunday No FunDay"
Angus accidentally throws Burt away; after Angus tells Parker and Russell to leave the house on his day off, Parker wrongly assumes it's permanent.
S1, EP1 "First Delivery; Chore or Less"
The gang faces warfare to deliver a letter to a house that never gets mail; Patrick's anxiety rises when the cloud appears to the source of nightly thundering.
S1 "Scary Stories to Tell Your Cloud; The Pumpkin Pageant"
On Halloween, the Middlemost Post crew tell each other scary stories to get through a blackout on the ship; Mayor Peeve and the Middlemost Post compete with rival pumpkins in an annual pumpkin pageant.