The Case of the Misplaced Mug / The Case of the Sad Little Sister (S01E09)
S01E09
A crisis unfolds when Mr. McGillick's beloved "World's Best Principal" mug disappears without a trace. Meanwhile, Poppy is feeling down after misplacing her favorite hat, leaving her unable to join her friends outside for playtime. As both dilemmas weigh heavily on their minds, the search begins to uncover the whereabouts of the missing items, bringing together the community in a quest for resolution and cheer.
Show
The InBESTigators
Episode
S01E09
Air Date
Jun 21, 2019
Season 1 Episodes
S01E01
The Ghastly Ghost Town
S01E01
The Case of the Curious New Girl / The Case of the Disappearing Deliveries
S01E02
The Case of the Missing Solar System / The Case of the Distressed Dancer
S01E02
The Dynamic Scooby-Doo Affair
S01E03
The Case of the Sleepover Secret / The Case of the Big Mouth Challenge
S01E03
Wednesday is Missing
S01E04
The Case of the Pestering Prank Caller / The Case of the Spoiled Sports Day
S01E04
The Frickert Fracas
S01E05
The Case of the Exciting Excursion / The Case of the Very Lost Notebook
S01E05
Guess Who's Knott Coming to Dinner
S01E06
A Good Medium Is Rare
S01E06
The Case of the Suspect Sprinkler / The Case of the Peculiar Pop Quiz
S01E07
Sandy Duncan's Jekyll and Hyde
S01E07
The Case of the Science Sabotage / The Case of the Wrecked Rehearsal
S01E08
The Secret of Shark Island
S01E08
The Case of the Perplexing Painting / The Case of the Turtle Thief
S01E09
The Spooky Fog
S01E09
The Case of the Misplaced Mug / The Case of the Sad Little Sister
S01E10
The Ghost of Bigfoot
S01E10
The Case of the Disoriented Drone / The Case of the Baffling Birthday
S01E11
The Ghost of The Red Baron
S01E12
The Ghostly Creep from the Deep
S01E13
The Haunted Horseman of Hagglethorn Hall
S01E14
The Phantom of the Country Music Hall
S01E15
The Caped Crusader Caper
S01E16
The Loch Ness Mess