The New York Underground!

"The New York Underground!" is the eighteenth episode of Scooby-Doo and Guess Who? season one. It aired on July 2, 2019 on Boomerang's SVOD service. It was written by Michael Ryan, produced by Chris Bailey, and directed by Frank Paur.

Scooby secretly signs Shaggy up to a poetry slam, where his rival turns out to be famous alternative singer, Halsey. The prize is a key to the City of New York, which brings out a mysterious gator man.

Memorable quotes
Fred: Well, gang, looks like we have a real mystery on our hands. Daphne: And I can't believe we're in it with... Mystery Inc.: Famous singer-slash-award-winning, multi-platinum alternative pop maverick, Halsey. Halsey: Actually, Halsey is my stagename. My real name is Ashley Nicolette Frangipane, like the flower. Mystery Inc.: Famous singer-slash-award-winning, multi-platinum alternative pop maverick, Halsey, who's real name is Ashley Nicolette Frangipane, like the flower.

Characters

 * style="background-color:#clear"| Fred Jones
 * style="background-color:#clear"| Frank Welker
 * style="background-color:#clear"| Daphne Blake
 * style="background-color:#clear"| Grey Griffin
 * style="background-color:#clear"| Velma Dinkley
 * style="background-color:#clear"| Kate Micucci
 * style="background-color:#clear"| Scooby-Doo
 * style="background-color:#clear"| Frank Welker
 * style="background-color:#clear"| Shaggy Rogers
 * style="background-color:#clear"| Matthew Lillard
 * style="background-color:#d2d2ff"| Poetry slam promoter
 * style="background-color:#aaffaa"| David Kaye
 * style="background-color:#d2d2ff"| Halsey
 * style="background-color:#aaffaa"| Herself
 * style="background-color:#d2d2ff"| Gator Man
 * style="background-color:#aaffaa"| David Kaye
 * style="background-color:#FDB56C" colspan="2"| Roy Shepard
 * style="background-color:#FDB56C" colspan="2"| Richard Poodle
 * style="background-color:#d2d2ff"| Chef
 * style="background-color:#aaffaa"| David Kaye
 * style="background-color:#d2d2ff"| Urban spelunker
 * style="background-color:#aaffaa"| Matthew Lillard
 * style="background-color:#d2d2ff"| Knowledge Keeper
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#d2d2ff"| Jake Jacob Ascot (photo)
 * style="background-color:#ffff00"| N/A
 * style="background-color:#FDB56C" colspan="2"| Emma Lazarus
 * style="background-color:#FDB56C" colspan="2"| Richard Poodle
 * style="background-color:#d2d2ff"| Chef
 * style="background-color:#aaffaa"| David Kaye
 * style="background-color:#d2d2ff"| Urban spelunker
 * style="background-color:#aaffaa"| Matthew Lillard
 * style="background-color:#d2d2ff"| Knowledge Keeper
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#d2d2ff"| Jake Jacob Ascot (photo)
 * style="background-color:#ffff00"| N/A
 * style="background-color:#FDB56C" colspan="2"| Emma Lazarus
 * style="background-color:#d2d2ff"| Jake Jacob Ascot (photo)
 * style="background-color:#ffff00"| N/A
 * style="background-color:#FDB56C" colspan="2"| Emma Lazarus
 * style="background-color:#FDB56C" colspan="2"| Emma Lazarus
 * style="background-color:#FDB56C" colspan="2"| Emma Lazarus

Organizations

 * Mystery Incorporated

Locations

 * New York
 * New York City
 * Manhattan
 * Central Park
 * Graffiti Station
 * Rhymers & Diners
 * Upper New York Bay
 * Liberty Island
 * Statue of Liberty

Objects

 * Key to New York City
 * Poems by Halsey
 * Gazette
 * Jake Jacob Ascot's diaries
 * Jake Jacob Ascot's safe
 * "The New Colossus"

Vehicles

 * The Mystery Machine
 * Mystery Inc.'s speedboat
 * Jake Jacob Ascot's train car

Development
It was copyrighted in 2019.

Music
The theme song, entitled "Scooby-Doo, Where Are You?", was written by Chris Bailey, and performed by David Poe. It was produced by Vivek Maddala. The episode's main music was performed by Steven Morrell.

Release
The American premiere occurred via the Boomerang video subscription on-demand service on July 2, 2019, then in the United Kingdom & Ireland premiere on the Boomerang TV channel on February 2, 2020. In Australia, where they also have the Boomerang TV channel, it premiered on May 24, 2020, then in Canada, it premiered on Teletoon on August 9, 2020.

Behind the scenes

 * With every episode's title card, one of the gang announces the guest star, which is Velma this time.
 * How many times does Shaggy say "Zoinks"? Twice.
 * How many times does Daphne say "Jeepers"? Twice.
 * How many times does Velma say "Jinkies"? Twice.
 * Emma Lazarus was a real-life 19th-century author.
 * Poems by Halsey is a parody of Halsey's real-life book I Would Leave Me If Could: A Collection of Poetry.

Errors

 * When Fred says, "Wow, gang," his mouth isn't moving.