Scooby-Doo and Guess Who?

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.