Season 1 of Scooby-Doo and Guess Who? began streaming on the Boomerang VSOD service from June 27, 2019 to July 2, 2020.
Cast[]
- Frank Welker as Scooby-Doo and Fred Jones
- Matthew Lillard as Shaggy Rogers
- Grey Griffin as Daphne Blake
- Kate Micucci as Velma Dinkley
Episodes[]
| Number | Title | Airdate | Guest stars | Suspects | Culprits | Monsters |
|---|---|---|---|---|---|---|
| 1 | Revenge of the Swamp Monster! | June 27, 2019 | Chris Paul | Teacher Burt Friendly Arthur C. Habberknackles Hadlee P. Jones |
Caddy | Swamp Monster |
| Shaggy becomes the unlikely caddy of celebrity basketball player Chris Paul, when the latter enters a charity golf tournament to help an art school, which is not only on the brink of closing, but also haunted by a swamp monster. | ||||||
| 2 | A Mystery Solving Gang Divided | July 2, 2019 | Abraham Lincoln | Ebb | Jebb | Ghost sergeant |
| Scooby-Doo and the gang travel to a historic battlefield in Pennsylvania to investigate the mysterious appearance of ghost zombie Civil War soldiers and come face to face with a rival mystery-solving gang, learning an important lesson about teamwork. | ||||||
| 3 | Peebles' Pet Shop of Terrible Terrors! | July 11, 2019 | Wanda Sykes | Arnie | Mr. Peebles | Fish Monster |
| The kids stop at Peebles' Pet Supply Mega-Store to cure Scooby of his hunger for Scooby Snacks. The shop owner was attacked by a fish monster just a few minutes before the gang arrived. During the investigation, the gang gets saved by Magilla Gorilla. | ||||||
| 4 | Elementary, My Dear Shaggy! | July 18, 2019 | Crackpot Sherlock (Sherlock Holmes) | Crackpot Sherlock | Security guard The Beefeater |
Screaming Skulls of London |
| While in London, the Mystery Machine is pushed off the road by a group of screaming, flaming skulls. The Gang end up meeting a man claiming to be Sherlock Holmes, so the Gang decide to solve the mystery with this "Holmes" who they state to be fictional. | ||||||
| 5 | Ollie Ollie In-Come Free! | July 25, 2019 | Ricky Gervais | Old woman assistant |
Antique dealer | Cat Mummy |
| Mystery Inc. are called by British comedian Ricky Gervais to help with the Cat Mummy who is terrorizing him at his home. | ||||||
| 6 | The Scooby of a Thousand Faces! | August 1, 2019 | Wonder Woman | Janitor | Curator | Minotaur |
| The gang and Wonder Woman face-off against a minotaur at a museum in Greece. | ||||||
| 7 | The Cursed Cabinet of Professor Madds Markson! | August 8, 2019 | Penn & Teller | Demolition boss Hugo Hauser Tess Flemmings |
Teller as Hugo Hauser | Ghost of Madds Markson |
| The gang hope to win a million dollars by spending a night in the haunted and soon to be demolished Savannah Hotel in Las Vegas, only to find that celebrity magicians Penn & Teller have accepted the same offer in the hopes of seeing the ghost of a famous magician. | ||||||
| 8 | When Urkel-Bots Go Bad! | August 15, 2019 | Steve Urkel | Museum director Security guard Lunch lady |
Janitor | Technomancer |
| Mystery Inc. meets Steve Urkel in Chicago when his Urkel-Bot goes haywire upon being reprogrammed by the Technomancer. | ||||||
| 9 | The Fastest Food Fiend! | August 22, 2019 | Jim Gaffigan | Rick Tally Old woman |
Bill Tally | Spectral Speedster |
| Shaggy and Scooby intend to compete in Doc Tally's food eating contest, which requires participants to road race between restaurants to eat certain items. But the heat is on when food contest champion Jim Gaffigan enters the contest... and it only gets worse when the terrifying Spectral Speedster arrives to stop the race for good. | ||||||
| 10 | Attack of the Weird Al-Osaurus! | August 29, 2019 | Weird Al Yankovic | Dr. Josephine Tuttle Pete and Pete Big Bob McAllister |
Pete and Pete | Dinosaurs |
| When the gang travel to parody legend Weird Al Yankovic's accordion camp, they agree to help him get to the bottom of why dinosaurs have emerged from the nearby forest and driven the other campers away. | ||||||
| 11 | Now You Sia, Now You Don't! | September 5, 2019 | Sia | Sia Businesswoman Sia's housekeeper Sia's manager |
Sia's trainer | Sia Doppelganger |
| The gang come to the aid of Daphne's friend, music star Sia, who is suspected of a string of jewel thefts after security camera footage reveals the perpetrator looks exactly like her. | ||||||
| 12 | Quit Clowning! | September 12, 2019 | Kenan Thompson | Contractor Simone |
A.J. Dobbs | Pazzo the Ghost Clown |
| Comedian Kenan Thompson and Mystery Inc. hope to save a local TV station in Thompson's home town through a telethon. However, they get more than they bargain for when the station manager doesn't mention that Kenan's favorite childhood memory - Pazzo the Clown - is now a terrifying ghost that haunts the station. | ||||||
| 13 | What a Night, for a Dark Knight! | September 19, 2019 | Batman | Dr. Kirk Langstrom | Joker | Man-Bat |
| The gang go to Gotham City to visit Daphne's uncle, Alfred Pennyworth, but must convince Batman that they're innocent when he finds them at the scene of the crime when Alfred is kidnapped. | ||||||
| 14 | The Nightmare Ghost of Psychic U! | July 2, 2020 | Whoopi Goldberg | Flavius Headmaster Williams |
Cafeteria lady | Nightmare Ghost |
| While stopping at a school for psychics, Mystery Inc. meet Whoopi Goldberg. | ||||||
| 15 | The Sword, the Fox and the Scooby-Doo! | July 2, 2020 | Mark Hamill | Kelly | Coach Roachner | Fox Monster |
| 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. | ||||||
| 16 | One Minute Mysteries! | July 2, 2020 | The Flash (Barry Allen) | N/A | Trickster | Giant Teddy Bear |
| 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. | ||||||
| 17 | Hollywood Knights! | July 2, 2020 | George Takei | Private detective Sam Sheehan Darla Darrington |
Jimmy | Ghost of the Doom Bringer |
| Mystery Inc. meet George Takei while exploring the Hollywood Hills' most haunted historic building. While there, they also run into a ghostly knight. | ||||||
| 18 | The New York Underground! | July 2, 2020 | Halsey | Chef Selunker Keeper of Knowledge |
Poetry Slam promoter | Gator Man Monster |
| Scooby enters Shaggy in a poetry slam at Central Park, where his competitor is singer-songwriter Halsey. | ||||||
| 19 | Fear of the Fire Beast! | July 2, 2020 | Steve Buscemi | Tony & Tony Jr. Paolo Old man |
Nana | Fire Monster of Mount Etna |
| While in Sicily, the gang meet Steve Buscemi. | ||||||
| 20 | Too Many Dummies! | July 2, 2020 | Jeff Dunham & Darci Lynne Farmer | Talent agent Old lady Old lady's son |
Baz Bozzington | Crazy Karl |
| 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. | ||||||
| 21 | Dance Matron of Mayhem! | July 2, 2020 | Maddie Ziegler | Mail carrier City official |
Madame Zobrinsky | Ghost of Madame Zobrinsky |
| The dance studio Maddie Ziegler won in a competition turns out to be haunted by the ghost of its former owner, who died over 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. | ||||||
| 22 | The Wedding Witch of Wainsly Hall! | July 2, 2020 | Jeff Foxworthy | Construction forewoman Neighbor lady |
Food truck chef lady | Wedding Witch of Wainsly Hall |
| The gang solve a mystery with comedian Jeff Foxworthy. | ||||||
| 23 | A Run Cycle Through Time! | July 2, 2020 | Malcolm McDowell | N/A | Malcolm McDowell | Chronobeast |
| 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. | ||||||
| 24 | I Put a Hex on You! | July 2, 2020 | The Hex Girls | Lawyer | Xander | Ghost of Ester Moonkiller |
| 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. | ||||||
| 25 | The High School Wolfman's Musical Lament! | July 2, 2020 | Christian Slater | Simone Drama teacher Dance teacher Timmy Thomas Maryanne Mulrooney |
Christian Slater | Werewolf |
| Christian Slater's high school prom is getting a redo because the original one was ruined by a wolfman. But will the wolfman return to spoil this prom. And with so many songs in the episode, will the Gang actually do a song and dance number? | ||||||
| 26 | Space Station Scooby | July 2, 2020 | Bill Nye & Neil deGrasse Tyson | Olga | Jacques Pierre and Pierre Jacques | Tardigrade Monster |
| Bill Nye and the gang have to save Neil deGrasse Tyson, who's trapped on an international space station with a monster. | ||||||