BMO uses his hard-boiled detective skills to track down Finn's missing sock.
Tropes
- Ambiguous Gender: Called into question - if the "noire" in the title refers to BMO, whose gender (if any) is indeterminate; in the word's native French, the "e" on the end denotes a feminine gender.
- Animals Lack Attributes: The cats have anuses, but the trope is otherwise played straight with the animals.
- Companion Cube: One of the characters in BMO's film noir fantasy, Bebe the shady night club owner, is played by a TV remote.
- The Corpse Stops Here: BMO is framed for Bebe's murder by having the "cops" (a bunch of cats that got into the treehouse) show up as he discovers Bebe's body.
- A Day in the Limelight: For BMO.
- Deliberately Monochrome: Since it's a parody of the noir genre, most of BMO's detective drama is black and white.
- Femme Fatale: BMO casts a chicken as "Lorraine", an old flame who ends up double-crossing Ronnie and Bebe.
- Mind Screw: After BMO is chased by the cops and falls down the ladder into the treasure room, there's a muddled flashback of him setting up the whole "film noir mystery" scenario he's spent the episode playing out, intercut with scenes of him talking to himself in the bathroom mirror, and another scene of him turning towards the camera.
- Mr. Imagination: BMO fashions an elaborate fantasy world using the random animals around the house.
- The Narrator: The whole thing is BMO acting like the protagonist of a film noir detective story, while providing a Private Eye Monologue and voicing all the things that don't have a voice.
- Noir Episode: BMO imagines himself as a hard-boiled Private Detective tracking down Finn's lost sock.
- Politically Incorrect Villain: BMO says that Bebe is a bad guy because "he yells at ladies."
- Shout-Out: The dream sequence is very reminiscent of Twin Peaks, complete with shattering mirror.
- Talking Animal: Played with, BMO, like LSP in "The Monster" and "Gotcha", gives personalities to the otherwise normal animals to set up an imaginary world.
