Scooby-Doo and Guess Who?

Scooby and Shaggy love hanging out with their very best eating buddy Barry Allen, aka The Flash.

A possessed dummy goes out of control and threatens a ventriloquist competition judged by Jeff Dunham and Darci Lynne Farmer.

A robot wreaks havoc at the grand opening of Laila Ali's boxing museum and the gang must stop it before it's too late.

The gang and Kristen Schaal investigate a hospital that is haunted by the ghost of a 1950s doctor named Phineas Phrag.

When Scooby and Shaggy compete in a fast-food eating competition, they meet their ultimate challenge against none other than comic Jim Gaffigan, as well as a horrible monster trying to stop the whole contest from finishing.

Scooby-Doo and the gang are hitching a ride with their friend Cher on her yacht going to the Caribbean; they run aground in the strange Sargasso Sea, which is full of thick Sargassum seaweed and a graveyard of old ships of all kinds.

When Steve Urkel enlists the help of the gang to track down the Urkel-Bot, they stumble onto a deeper mystery with the appearance of a Technomancer who controls all the robots.

Famous dancer Maddie Ziegler wins an old haunted dance studio in a competition.

Scooby and the gang team up with Steve Buscemi to stop a fire monster in Sicily.

While investigating a mysterious ghost, the gang bumps into none other than fashion icon Tim Gunn.

While on the trail of a monstrous gargoyle in Paris, Velma turns to her friend Gigi Hadid for help; clues lead to fake paintings and art theft in the Louvre.

Scooby-Doo and the gang run into gold medalist and famous snowboarder Chloe Kim on a ski vacation.

When Scooby-Doo and the gang are in Austria for the International Ice Games, they meet up with none other than famous Olympian and sports commentator Tara Lipinski.

An invitation to a baseball game allows a chance encounter between Mystery Inc. and rapper Macklemore, who is being attacked by a ghostly mascot.

A robot wreaks havoc at the grand opening of Laila Ali's boxing museum and the gang must stop it before it's too late.

Scooby and the gang go on the set of an in-progress Jekyll and Hyde movie remake with actress Sandy Duncan.

Shaggy and Scooby are excited to visit a haunted castle in Germany; the rest of the gang is confused until they meet up with famous chef, writer and TV presenter Alton Brown.

The gang and Kristen Schaal investigate a hospital that is haunted by the ghost of a 1950s doctor named Phineas Phrag.

A tree monster attacks Shaggy and Scooby-Doo when they are at a hot dog eating contest with Joey Chestnut.

Shaggy and Scooby meet up with their good friend Liza Koshy at a haunted mansion and are attacked by a ghost.

The gang, together with Morgan Freeman, investigates an old prison, abandoned for 100 years for purportedly being haunted.

Daphne takes the gang to see her celebrity bestie, Kacey Musgraves, in Nashville, where she is performing, and a phantom is on the loose, attacking artists it doesn't like.

Scooby-Doo and the gang travel up a lost river in the Amazon rainforest with famous comedian and actor Jason Sudeikis in search of a great treasure.

When Scooby and the gang accept an invitation from famous actor Malcolm McDowell to take an exploratory trip through time, they find themselves actually traveling into the future.

Famous dancer Maddie Ziegler wins an old haunted dance studio in a competition.

Scooby and the gang team up with Steve Buscemi to stop a fire monster in Sicily.

While investigating one of the most haunted mansions in the historic Hollywood Hills, the gang meets up with famous actor George Takei; inside the abandoned old mansion, an old suit of armor comes alive and chases everyone all over the spooky estate.

Daphne's makeup vlog lands her as the prime consultant to the famous rock band, the Hex Girls.

Scooby and Shaggy love hanging out with their very best eating buddy Barry Allen, aka The Flash.

A giant water bear attacks Scooby and his friends when they are on the International Space Station with scientists Bill Nye and Neil deGrasse Tyson.

The mystery solving gang teams up with famous actor Christian Slater, and they find themselves embroiled in a musical mystery full of songs, clues and crazy chases.

Scooby enters Shaggy into a poetry slam contest in Central Park; when Shaggy finds out he's going up against famous singer-songwriter Halsey he freaks, then freaks even more when the event is attacked by a horrible gator-man-monster from the sewers.

When the mystery-solving gang is driving in Japan, they are stopped by none other than famous actor Mark Hamill.

Scooby and the gang of mystery solving teens have been invited by famous comedian Jeff Foxworthy to help him move an old mansion that he's just purchased.

A possessed dummy goes out of control and threatens a ventriloquist competition judged by Jeff Dunham and Darci Lynne Farmer.

When Scooby and the gang visit Gotham City and Daphne's Uncle Alfred, they stumble into a mystery -- and into Batman's way.

Shaggy and Scooby take the gang to meet their friend, actor and comedian Kenan Thompson, who is preparing a one-man show to save a struggling TV station in Atlanta.

An evil demon ghost takes the shape of singer-songwriter Sia and steals countless gems and jewelry; the gang tries to catch Sia's ghostly doppelgänger and prove her innocence.

A horrible dinosaur attacks a sleep-away accordion camp in the Rocky Mountains run by none other than ''Weird Al'' Yankovic.

When Scooby and Shaggy compete in a fast-food eating competition, they meet their ultimate challenge against none other than comic Jim Gaffigan, as well as a horrible monster trying to stop the whole contest from finishing.

When Steve Urkel enlists the help of the gang to track down the Urkel-Bot, they stumble onto a deeper mystery with the appearance of a Technomancer who controls all the robots.

When the mystery-solving gang accepts an invitation to spend one night in the haunted Savannah Hotel in Las Vegas before its controlled demolition, they learn that magicians Penn & Teller have also accepted the challenge.

While taking a tour of London, Scooby and the gang run afoul of horrible screaming skulls of English legend and team up with an eccentric man who claims to be none other than Sherlock Holmes.

Scooby and the gang meet Wanda Sykes, who is helping save a bunch of animals up for adoption in a pet supply store; when a monster egg hatches, the heroes and Wanda must not only save the store and the animals, but their own lives.

Scooby-Doo and the gang meet up with basketball legend Chris Paul at a golf tournament fundraiser in Florida. Shaggy caddies for Mr. Paul and helps him with his game, so the Assist King can save a local school from going under.

Scooby enters Shaggy into a poetry slam contest in Central Park; when Shaggy finds out he's going up against famous singer-songwriter Halsey he freaks, then freaks even more when the event is attacked by a horrible gator-man-monster from the sewers.

While investigating one of the most haunted mansions in the historic Hollywood Hills, the gang meets up with famous actor George Takei; inside the abandoned old mansion, an old suit of armor comes alive and chases everyone all over the spooky estate.

While on the trail of a monstrous gargoyle in Paris, Velma turns to her friend Gigi Hadid for help; clues lead to fake paintings and art theft in the Louvre.

Daphne's makeup vlog lands her as the prime consultant to the famous rock band, the Hex Girls.

The mystery solving gang teams up with famous actor Christian Slater, and they find themselves embroiled in a musical mystery full of songs, clues and crazy chases.

A tree monster attacks Shaggy and Scooby-Doo when they are at a hot dog eating contest with Joey Chestnut.

When Scooby and the gang accept an invitation from famous actor Malcolm McDowell to take an exploratory trip through time, they find themselves actually traveling into the future.

Scooby and the gang of mystery solving teens have been invited by famous comedian Jeff Foxworthy to help him move an old mansion that he's just purchased.

Shaggy and Scooby meet up with their good friend Liza Koshy at a haunted mansion and are attacked by a ghost.

Daphne takes the gang to see her celebrity bestie, Kacey Musgraves, in Nashville, where she is performing, and a phantom is on the loose, attacking artists it doesn't like.

An invitation to a baseball game allows a chance encounter between Mystery Inc. and rapper Macklemore, who is being attacked by a ghostly mascot.

Shaggy and Scooby are excited to visit a haunted castle in Germany; the rest of the gang is confused until they meet up with famous chef, writer and TV presenter Alton Brown.

An evil demon ghost takes the shape of singer-songwriter Sia and steals countless gems and jewelry; the gang tries to catch Sia's ghostly doppelgänger and prove her innocence.

A giant water bear attacks Scooby and his friends when they are on the International Space Station with scientists Bill Nye and Neil deGrasse Tyson.

Shaggy and Scooby take the gang to meet their friend, actor and comedian Kenan Thompson, who is preparing a one-man show to save a struggling TV station in Atlanta.

When the mystery-solving gang is driving in Japan, they are stopped by none other than famous actor Mark Hamill.

Scooby and the gang meet Wanda Sykes, who is helping save a bunch of animals up for adoption in a pet supply store; when a monster egg hatches, the heroes and Wanda must not only save the store and the animals, but their own lives.

Scooby-Doo and the gang meet up with basketball legend Chris Paul at a golf tournament fundraiser in Florida. Shaggy caddies for Mr. Paul and helps him with his game, so the Assist King can save a local school from going under.

Scooby and the gang go on the set of an in-progress Jekyll and Hyde movie remake with actress Sandy Duncan.

While investigating a mysterious ghost, the gang bumps into none other than fashion icon Tim Gunn.

The gang, together with Morgan Freeman, investigates an old prison, abandoned for 100 years for purportedly being haunted.

When Scooby-Doo and the gang are in Austria for the International Ice Games, they meet up with none other than famous Olympian and sports commentator Tara Lipinski.

Scooby-Doo and the gang travel up a lost river in the Amazon rainforest with famous comedian and actor Jason Sudeikis in search of a great treasure.

Scooby-Doo takes the gang to meet his good friend Lucy Liu at her art gallery in Queens; when one of her large humanoid modern sculptures comes alive and attacks them, the gang and Lucy have a real mystery on their hands.

Scooby-Doo and the gang run into gold medalist and famous snowboarder Chloe Kim on a ski vacation.

When the gang does brunch with Daphne's longtime friend, famous actor Sean Astin, the only mystery on their mind is how to split the check, but their attempts to return a lost set of keys quickly lead them into a genuine mystery.

A horrible dinosaur attacks a sleep-away accordion camp in the Rocky Mountains run by none other than "Weird Al" Yankovic.

When the mystery-solving gang accepts an invitation to spend one night in the haunted Savannah Hotel in Las Vegas before its controlled demolition, they learn that magicians Penn & Teller have also accepted the challenge.

Scooby-Doo and the gang are hitching a ride with their friend Cher on her yacht going to the Caribbean; they run aground in the strange Sargasso Sea, which is full of thick Sargassum seaweed and a graveyard of old ships of all kinds.

Driving through Africa, Fred takes a wrong turn at Nairobi on the Mombasa rally race; here, they meet none other than Jessica Biel, who is climbing Kilimanjaro.