The BEST Episodes of Scooby-Doo and Guess Who?

Every episode ever - ranked by fan votes!

Last Updated: May 15, 2021

Network: Boomerang

Scooby-Doo and the Mystery Inc. gang solve more mysteries while also accompanied by many celebrities.

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The Cursed Cabinet of Professor Madds Markson!

#1 - The Cursed Cabinet of Professor Madds Markson!

Season 1 - Episode 7 - Aired Aug 8, 2019

When our mystery solving gang accepts the invitation to spend one night in the haunted Savannah Hotel in Las Vegas before its controlled demolition, they find that they're not alone. Magicians Penn & Teller have also accepted the challenge.

star 7.68
22 votes
Directors: Frank Paur
Writers: Michael Ryan
Elementary, My Dear Shaggy!

#2 - Elementary, My Dear Shaggy!

Season 1 - Episode 4 - Aired Jul 18, 2019

When Scooby and the gang are taking a tour of London, they run afoul of horrible screaming skulls of English legend! They team up with an eccentric man who claims to be none other than Sherlock Holmes. He can't be the real thing, can he?

star 7.63
27 votes
Directors: Mike Milo
Writers: Michael Ryan
Dark Diner of Route 66!

#3 - Dark Diner of Route 66!

Season 2 - Episode 15 - Aired Feb 25, 2021

Scooby and Shaggy meet up with their biker buddy, Axl Rose, on a tour of famous roadside diners along iconic Route 66.

star 7.50
2 votes
Directors: Mike Milo
Writers: Caroline Farah
Ollie Ollie In-come Free!

#4 - Ollie Ollie In-come Free!

Season 1 - Episode 5 - Aired Jul 25, 2019

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

star 7.41
22 votes
Directors: Mike Milo
Writers: Michael Ryan
Peebles' Pet Shop of Terrible Terrors!

#5 - Peebles' Pet Shop of Terrible Terrors!

Season 1 - Episode 3 - Aired Jul 11, 2019

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

star 7.37
35 votes
Directors: Mike Milo
Writers: Caroline Farah
A Mystery Solving Gang Divided!

#6 - A Mystery Solving Gang Divided!

Season 1 - Episode 2 - Aired Jul 4, 2019

Scooby-Doo and the gang travel to Chambersburg, a battlefield near Gettysburg, to investigate the mysterious appearance of ghost zombie Civil War soldiers and come face to face with a rival mystery solving gang, the Funky Phantom crew.

star 7.24
33 votes
Directors: Frank Paur
Writers: Mark Hoffmeier
What a Night, for a Dark Knight!

#7 - What a Night, for a Dark Knight!

Season 1 - Episode 13 - Aired Sep 19, 2019

When Scooby and the gang come to Gotham City to visit Alfred Pennyworth, they stumble into a dangerous mystery! Alfred's been kidnapped by the Man-Bat! Batman is on the case and he does not want any help from our meddling kids.

star 7.23
30 votes
Directors: Chris Bailey
Writers: Michael Ryan
The Scooby of a Thousand Faces!

#8 - The Scooby of a Thousand Faces!

Season 1 - Episode 6 - Aired Aug 1, 2019

When a marble statue comes to life at a museum in Greece, our gang is caught between a braying minotaur and a sword-wielding Wonder Woman! Teaming up with Themyscira, the Mystery Inc. gang experiences a little rift of boys versus girls.

star 7.18
22 votes
Directors: Gavin Dell
Writers: Caroline Farah
Attack of the Weird Al-osaurus!

#9 - Attack of the Weird Al-osaurus!

Season 1 - Episode 10 - Aired Aug 29, 2019

Driving through the Rocky Mountains, the Mystery Inc. gang discovers a sleep-away accordion camp run by none other than Weird Al Yankovic! But there is no accordion joy when a horrible dinosaur (a dreaded allosaurus) attacks the camp.

star 7.13
24 votes
Directors: Gavin Dell
Writers: Mark Hoffmeier
Revenge of the Swamp Monster!

#10 - Revenge of the Swamp Monster!

Season 1 - Episode 1 - Aired Jun 27, 2019

Scooby-Doo and the gang meet up with basketball legend Chris Paul at a golf tournament fundraiser held in Florida. Shaggy’s come to caddy for Mr. Paul and help him with this game so the Assist King can save a local school from going under.

star 7.12
49 votes
Directors: Jae Kim
Writers: Michael Ryan
Quit Clowning!

#11 - Quit Clowning!

Season 1 - Episode 12 - Aired Sep 12, 2019

Shaggy and Scooby take the gang to meet their good friend, Kenan Thompson. He's preparing to broadcast a one-man show. But when a Ghost Clown attacks, all the many characters Kenan has created will never see the light of day.

star 7.04
24 votes
Directors: Sean Bishop
Writers: Annalisa LaBianco, Jeffrrey Spencer
I Put A Hex On You!

#12 - I Put A Hex On You!

Season 1 - Episode 24 - Aired Jul 2, 2020

When Daphne’s makeup vlog lands her as the prime consultant to the famous rock band, the Hex Girls, our gang find themselves embroiled in a rockin’ mystery involving a cursed guitar that seems to control people’s minds.

star 7.00
4 votes
Directors: Frank Paur
Writers: Thomas Krajewski
When Urkel-Bots Go Bad!

#13 - When Urkel-Bots Go Bad!

Season 1 - Episode 8 - Aired Aug 15, 2019

When Steve Urkel enlists the help of our gang to track down the Urkel-Bot, they stumble onto a deeper mystery with the appearance of a Technomancer, controlling all the robots! Can our gang survive an onslaught of the angry robots?

star 6.95
22 votes
Directors: Mike Milo
Writers: Thomas Krajewski
The Phantom, The Talking Dog, And The Hot Hot Hot Sauce!

#14 - The Phantom, The Talking Dog, And The Hot Hot Hot Sauce!

Season 2 - Episode 1 - Aired Oct 1, 2020

The gang heads to Nashville, Tennessee to meet up with none other than country music legend Kacey Musgraves! Can our gang of mystery solvers help save her show from the shadowy PHANTOM? Or, will it be the “final curtain” for all of them?!

star 6.82
11 votes
Directors: Frank Paur
Writers: Thomas Krajewski
The Sword, The Fox, and the Scooby-Doo!

#15 - The Sword, The Fox, and the Scooby-Doo!

Season 1 - Episode 15 - Aired Jul 2, 2020

When our mystery solving gang is driving in Japan, they are stopped by actor Mark Hamill. He's in town for a high school reunion, but a terrible Fox Monster has attacked the reunion and kidnapped one of Mark's favorite old teachers.

star 6.75
4 votes
Directors: Mike Milo
Writers: Thomas Krajewski
Now You Sia, Now You Don't!

#16 - Now You Sia, Now You Don't!

Season 1 - Episode 11 - Aired Sep 5, 2019

When Daphne gets a call from singer-songwriter Sia, the gang finds themselves in a mystery involving an evil demon ghost that has taken the shape of Sia as a ghostly doppelgänger that steals countless gems and jewelry.

star 6.74
19 votes
Directors: Mike Milo
Writers: Caroline Farah
The Hot Dog Dog!

#17 - The Hot Dog Dog!

Season 2 - Episode 4 - Aired Oct 1, 2020

Our mystery-solving gang is in Chicago investigating the haunting of a historic hot dog factory, when they team up with famous competitive eater Joey Chestnut who's in town for the annual hot dog eating competition!

star 6.67
9 votes
Directors: Mike Milo
Writers: Benjamin Townsend
A Fashion Nightmare!

#18 - A Fashion Nightmare!

Season 2 - Episode 7 - Aired Oct 1, 2020

While investigating a mysterious ghost at the Dergfall Boldman Department Store (a historic mecca of high fashion on 5th Avenue), the gang bump into none other than fashion icon Tim Gunn! Can Tim Gunn solve the greatest mystery of all time?

star 6.67
9 votes
Directors: Mike Milo
Writers: Rob Hoegee
The Crown Jewel Of Boxing!

#19 - The Crown Jewel Of Boxing!

Season 2 - Episode 10 - Aired Oct 1, 2020

When Scooby Doo and the mystery solving gang wind up at the grand opening of a boxing museum created by none other than boxing great Laila Ali. Can the gang and Laila Ali go toe to toe with this metal menace and save the museum?

star 6.63
8 votes
Directors: Mike Milo
Writers: Caroline Farah
Scooby On Ice!

#20 - Scooby On Ice!

Season 2 - Episode 8 - Aired Oct 1, 2020

When Scooby Doo and the gang are in Austria for the International Ice Games, they meet up with none other than famous Olympic Gold Medalist and sports commentator, Tara Lipinski. Can Scooby Doo complete a quadruple axe?

star 6.57
7 votes
Directors: Sean Bishop
Writers: Laura Sreebny
Too Many Dummies!

#21 - Too Many Dummies!

Season 1 - Episode 20 - Aired Jul 2, 2020

When Scooby and the gang are hired to escort a possessed ventriloquist dummy, they meet up with the two judges of the competition, Jeff Dunham and Darci Lynne Farmer and the possessed dummy attacks the competition!

star 6.50
4 votes
Directors: Sean Bishop
Writers: Michael Ryan
The Last Inmate!

#22 - The Last Inmate!

Season 2 - Episode 2 - Aired Oct 1, 2020

Scooby Doo and the gang, along with Morgan Freeman, are investigating mysterious ghost sightings at an old haunted prison that’s been abandoned and derelict for over a hundred years.

star 6.50
8 votes
Directors: Sean Bishop
Writers: Michael Ryan
The Fastest Fast Food Fiend!

#23 - The Fastest Fast Food Fiend!

Season 1 - Episode 9 - Aired Aug 22, 2019

When Scooby and Shaggy compete in a fast food eating competition, they meet their ultimate challenge eating against none other than comedian Jim Gaffigan! Oh yeah, and there's also a monster trying to stop the contest from finishing.

star 6.46
26 votes
Directors: Frank Paur
Writers: Caroline Farah
The Horrible Haunted Hospital Of Dr. Phineas Phrag!

#24 - The Horrible Haunted Hospital Of Dr. Phineas Phrag!

Season 2 - Episode 3 - Aired Oct 1, 2020

When investigating a haunted old hospital, Scooby Doo and the gang meet up with actor and comedian Kristen Scaal. More importantly, can Kristen Schaal find out how she best fits into our group? So many fun choices - so little time!

star 6.40
10 votes
Directors: Sean Bishop
Writers: Caroline Farah
The Nightmare Ghost of Psychic U!

#25 - The Nightmare Ghost of Psychic U!

Season 1 - Episode 14 - Aired Jul 2, 2020

When the Mystery Inc. gang gets lost in the Pocono Mountains of Pennsylvania, they stumble into Psychic University. Here they meet Whoopi Goldberg, and a nightmare ghost who attacks the school and seems to want to destroy all the students.

star 6.25
4 votes
Directors: Frank Paur
Writers: Caroline Farah