Scooby-Doo and Guess Who?

Shaggy is to caddy for Houston Rockets basketball player and bowling fan Chris Paul at a charity event to raise money a struggling arts school. However, Mystery, Inc. will have to solve a mystery surrounding a swamp monster causing trouble for the tournament.

Mystery Inc. receives a call from Chambersburg, a battlefield near Gettysburg, to investigate the myserious appearance of ghost zombie Civil War soldiers, only to bump into the The Funky Phantom crew. Although both mystery solving teams get into subsequent conflicts until the spirit of Abraham Lincoln suggests they should work together and save the mystery for last once and for all.

The gang meet Wanda Sykes at a pet shop, where a monster egg has hatched.

The Mystery Inc gang teams up with the legendary literary detective Sherlock Holmes, who may or may not be just a delusional impersonator, to solve the case of The Screaming Skulls of London.

When our mystery solving gang agrees to help RICKY GERVAIS with a haunted antique Egyptian statue of a cat, they find themselves in a confrontation with the goddess Bast in mummy form!

When a marble statue comes to life at a Greek museum, the gang becomes caught between a braying Minotaur and a sword-wielding Wonder Woman; teaming up with the Amazonian princess, the Mystery Inc. gang experiences a little rift of boys versus girls.

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.

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.

Shaggy and Scooby compete against celebrity Jim Gaffigan in a food eating contest, which involves racing across a fast food chain celebrating its 70th anniversary. During the contest, a grotesque, yellow racer comes into play.

Driving through the Rocky Mountains, the Mystery Inc. gang discovers a stowaway in the form of "Weird Al" Yankovic. He warns them about a horrible Allosaurus raining relentless destruction on a local accordion sleep away camp.

When Daphne gets a call from singer-songwriter SIA, they find themselves in a mystery involving a ghost that has taken the shape of Sia and stealing gems. Can they catch the true thief?

Shaggy & Scooby meet up with their friend KENAN THOMPSON, who's trying to save a TV station, when a ghost clown attacks.

When Scooby and the Gang come to Gotham City to visit Daphne's "Uncle" Alfred, they stumble into a mystery! BATMAN is on the case… and he does not want any help from our meddling kids.

Scooby and the gang become lost  in the Pocono Mountains in Pennsylvania during the winter and stumble into Psychic University and a ghost brought from beyond the grave by one of it's students.

While in Japan, the gang run into Mark Hamill, who's having a class reunion. A mystery presents itself when a Fox Monster kidnaps one of Hamill's old teachers.

Shaggy and Scooby try to find some time to eat with their pal Barry Allen (aka the Flash).  But a plot is being hatched to force the Flash to reveal his true identity to the world

Mystery Inc. meet George Takei while exploring the Hollywood Hills' most haunted historic building. While there, they also run into a ghostly knight.

Scooby enters Shaggy in a poetry slam at Central Park, where his competitor is singer-songwriter Halsey.

Scooby Doo and the gang have a run in with Steve Buscemi while in Italy. Steve Buscemi has traced his family tree back to Italy and he is searching for relatives. While there, Steve and the rest of the gang encounter a Fire Monster and a lot of people who think Steve Buscemi is evil because of the tv characters he has played.

The gang are asked to escort a possessed ventriloquist dummy for a competition, during which they meet two of the judges, Jeff Dunham and Darci Lynne Farmer.

The dance studio Maddie Ziegler won in a competition turns out to be haunted by the ghost of its former owner, who died 30 years ago. Maddie calls in Daphne and the gang to solve the mystery, because if she doesn't open on time she loses ownership.

The gang solves a mystery about a ghost witch with comedian Jeff Foxworthy.

Malcolm McDowell has made time travel possible, so he takes the gang along into the past, but an accident causes them to go into a nightmare future.

Daphne's makeup vlog gets her the chance to be the prime consultant to the rock band, the Hex Girls, which also gets the gang another mystery in the form of a haunted guitar that can control people's minds.

Christian Slater's high school prom is getting a do-over because the original one was ruined by a wolfman. But will the wolfman return to spoil this prom. And with so many songs, will the Gang actually do a song and dance number?

Bill Nye and the gang have to save Neil deGrasse Tyson, who's trapped on an international space station with a monster tardigrade.

Daphne takes the gang to see her celebrity bestie Kacey Musgraves in Nashville where she is performing.  However, a phantom is on the loose, attacking artists it doesn't like!  Can Kacey manage to tell her story of the "Hot, Hot, Hot Sauce" before the Phantom closes her show?

The gang drives into a prison, where Morgan Freeman is filming a documentary on its haunting by the Ghost of Jean Lebeau. Somehow, Mystery Inc. becomes a major part of that video and we get an insight into how those meddling kids go about solving a mystery.

Kristen Schaal wants to be a mystery solver and happens to meet the Gang as they investigate a haunted hospital with the ghost of a 1950s doctor named Phineas Phrag. But is Schaal going too far, trying to emulate each member of Mystery Inc?

A tree monster called the Gnarled One attacks a hot dog eating contest with Joey Chestnut. But the mystery everyone really wants answered is "Who is the best competitive eater?" Is it Joey, Shaggy or Scooby-Doo?

While in Paris during Fashion Week, the gang meet up with Velma's old classmate in Criminal Psychology classes, supermodel Gigi Hadid. They are on the case of a gargoyle that is attacking Hadid's fashion show!

Shaggy & Scooby do the unexpected, and welcome a visit to a haunted castle in Germany because famous chef Alton Brown will be there.  Brown tells them the story of his ancestor, who created a Frankenstein-like food monster - which is still haunting the castle to this day.

The Gang are called to the Dergfall Boldman Department Store to solve the mystery of an Elevator Operator Ghost, who is terrorizing its customers. While there they meet Tim Gunn, but which of our heroes will Gunn find lacking in the fashion stakes?

Daphne takes the Gang to the Austrian Alps to meet her coach for an ice skating competition, Tara Lipinski. But the International Ice Games, which includes a disgruntled Simone who is barred from competing in her clown outfit, is being threatened by the Snow Devil!

At a ski resort, Shaggy and Scooby are saved from an avalanche of their own making by Chloe Kim! The avalanche uncovers a frozen caveman who is soon thawed and terrorizing the resort.

As Scooby and the gang drive through Louisville, Kentucky, they land at the opening of a boxing museum by boxing champion Laila Ali. Then the museum is attacked by a robot that wants to destroy everything. Can Scooby & Co. save Laila's Museum?

Liza Kochy wants to do an internet video with Shaggy and Scooby, comparing pizza while being scared in a haunted house. Liza has decided to film it at the old Thraber house, supposedly haunted by the ghost of Charles M. Thraber and his floating musical instruments!

The gang goes to a baseball match, and Macklemore is there to throw out the first pitch. But it seems that Macklemore is haunted by a ghost mascot, who soon appears and disrupts the game!

The gang returns to Mammoth Studios, where Sandy Duncan is remaking her Jekyll and Hyde movie. However, the Hyde monster is also back, trying to stop filming.

Shaggy and Velma go on Jeopardy and compete against a strange robot with anger management issues.

Scooby and Shaggy meet up with their biker buddy, Axl Rose, on a tour of famous roadside diners along iconic Route 66. However, they soon find themselves embroiled in a crazy spooky mystery involving three mud men.

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.

The gang and actor Sean Astin attempt returning a lost set of keys.

Scooby-Doo and the gang are hitching a ride with their friend, Cher, on her yacht.

Fred takes a wrong turn at Nairobi and drives the gang to a lost valley.

Our mystery teens work with Joseph "Run" Simmons (Run DMC) to get to the bottom of a mystery.

Scooby-Doo and the gang arrive at a mountaintop cool school run by none other than famous actor Billy Dee Williams; the gang loses it's cool when an angry pterodactyl keeps attacking the school and tries to scare everyone away.

In Louisiana, the gang is run off the road by a spaceship that crashes into a ranch owned by former NFL player and TV sports commentator Terry Bradshaw, so they team up to investigate an alien mystery.

Daphne takes the rest of the gang to meet her friend, famous voice over actor Frank Welker and the gang encounters a mystery.

Scooby-Doo and the gang are on the case with a little help from Blue Falcon and his dog wonder, Dynomutt.

After Carol Burnett launches a virtual reality movie world, a monster hijacks it then chases the gang through some of the most famous films of all time, including "Casablanca", "A Night At The Opera", "The Searchers" and "The Wizard Of Oz".