This is a list of parodies of or homages to the film noir genre that appear in TV, web, radio, other media.

Agents of S.H.I.E.L.D. (TV)
Season 7: Out of the Past (IMDb; MCU Wiki; TV Tropes; Wikipedia)

Calvin and Hobbes (comic strip)
Tracer Bullet (One of Calvin's imagined alter egos.)

Cars Toons (TV & DVD)
Season 2: Mater Private Eye (Cars Wiki; Disney+; IMDb; Pixar Wiki)

Castle (TV)
Season 4: The Blue Butterfly (A.V. Club; IMDb; Wikia)

Community (TV)
I feel like this series has done noir scenes in more than one episode, but I need to watch it again someday, to refresh my memory. For now here's what I'm sure of:
Season 3: Competitive Ecology (A.V. Club; IMDb; TV Tropes; Wikia; Wikipedia)

Dan Vs. (TV)
Season 2: The Catburglar (IMDb; Wikia)

Echo Chamber (web)
Season 2: Noir Episode (IMDb; TV Tropes; YouTube)

The Fairly OddParents (TV)
Season 3: Where's Wanda? (IMDb; Wikia) I don't actually remember if I saw this, but I feel like I might have.

Garfield specials (TV)
Babes and Bullets (Originally a segment in a book called "Garfield: His 9 Lives." I don't remember if I saw the special, but I'd certainly like to.)

Girl Meets World (TV)
Season 2: Girl Meets Fish (Disney+; IMDb; Wikia)

Gotham Girls (web)
Season 2: Gotham Noir (DCAU Wiki; IMDb)

Maya & Marty (TV)
Season 1: Burt Cassidy, Gay Detective (IMDb) This was one of the sketches in Episode 6.

Monk (TV)
Season 5: Mr. Monk and the Leper (IMDb; Wikia)

My Little Pony: Friendship Is Magic (TV)
Season 5: Rarity Investigates! (IMDb; TV Tropes; Wikia)

Newsbroke (web)
2016: Francesca Surveils Muslims (YouTube)

Phineas and Ferb (TV)
Season 2: Finding Mary McGuffin (Disney+; IMDb; Wikia)

Pinky and the Brain (TV)
Season 3: Brain Noir (IMDb) I probably didn't see this, but I'd like to.

A Prairie Home Companion (radio)
Guy Noir, Private Eye (Wikipedia) A recurring sketch.

Quantum Leap (TV)
Season 1: Play It Again, Seymour (IMDb; Wikia)

Recess (TV)
Season 2: The Girl Was Trouble (Disney+; IMDb; Wikia) I probably never saw this, but I'd like to.

RocketJump: The Show (web)
Season 1: Tip Jar (IMDb; YouTube)

Smallville (TV)
Season 6: Noir (IMDb; TV Tropes; Wikia)

Star Trek: Deep Space Nine (TV)
Season 2: Necessary Evil (A.V. Club; IMDb; Memory Alpha; TV Tropes; Wikipedia)

Star Trek: The Next Generation (TV)
Season 1: The Big Goodbye (A.V. Club; IMDb; Memory Alpha; TV Tropes; Wikipedia)

The Venture Bros. (TV)
Season 4: Everybody Comes to Hank's (A.V. Club; IMDb; TV Tropes; Wikia) I must have seen this, but I don't really remember it.

Video Game High School (web)
Season 3: Nobody Cool Goes to Prom (IMDb; YouTube)

Warehouse 13 (TV)
Season 4: The Big Snag (IMDb; Wikia)

What If...? (web)
Season 2: What If... Nebula Joined the Nova Corps? (IMDb; MCU Wiki; TV Tropes)