Scooby-Doo And Guess Who?, Lost Soles Of Jungle River!

When investigating a haunted old hospital, Scooby Doo and the gang meet up with actor and comedian Kristen Schaal. The gang happily invites her to be a part of their mystery solving group, and she's ecstatic. She tags along with our gang helping them solve the mystery of the horrible ghost of Dr. Phineas Phrag. More genetically enhanced monster than man, he's been lurking in this hospital since it closed down in the 1950s, and he threatens to destroy any trespassers who dare set foot in these creepy old wards. Can our gang and Ms. Schaal discover the truth of this haunted hospital before it's too late? More importantly, can Kristen Schaal find out how she best fits into our group? So many fun choices - so little time!

Daphne gets a call from a friend that needs help. The gang heads to Nashville, Tennessee, to meet up with none other than country music legend Kacey Musgraves! She's putting on a special variety show in a famous old auditorium, but the production seems to be cursed! Mystifying accidents and strange ghost sightings have made the entire crew abandon Kacey. 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?!

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!

When Scooby Doo and the gang are on the trail of a monstrous gargoyle in the nighttime city of Paris, they're stumped and need help with this mystery. Velma turns to close friend and famous fashion model Gigi Hadid that's in Paris for work.

When Shaggy and Scooby are excited to visit a scary haunted old castle in Germany, the rest of the gang are confused until they meet up with none other than famous chef, writer and TV presenter Alton Brown!

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?

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. She and Daphne are good friends, and Tara is coaching Daphne for the figure skating competition of the games. But a horrible monster made from ice is attacking the village, the frozen lake and the competition. Can our gang and Tara Lipinski get to the bottom of this icy mystery? Or will they find themselves on very, very thin ice? And more importantly, can Scooby Doo complete a quadruple axel? I mean, he does have four feet.

Hitting the ski slopes in the beautiful Rocky Mountains of Colorado, Scooby Doo and the gang run into none other than American Gold Medalist and famous snowboarder, Chloe Kim. When a kooky frozen caveman found in the ice of the mountain becomes very unfrozen, he starts attacking the entire mountain resort. With all the winter sports enthusiasts being scared off the mountain, Chloe Kim joins forces with our mystery solving gang to get to the bottom of this prehistoric danger. And it leads to the most epic downhill of all times…a race for their very lives!

When Scooby Doo and the mystery solving gang are driving through Louisville, Kentucky, they wind up at the grand opening of a boxing museum created by none other than boxing great Laila Ali. But the museum is under attack from a terrifying robot that seems bent only on destruction. Can the gang and Laila Ali go toe to toe with this metal menace and save the museum? Let's find out! Okay, both contenders of this mystery touch gloves, go to your respective corners and come out swinging!

When Shaggy and Scooby meet up with their good friend Liza Koshy at an old haunted mansion, they find themselves the subject of her many fast-paced internet videos and at the center of a horrifying ghost attack! Luckily, the rest of our mystery solving teens are along for the ride and jump into action to get to the bottom of this ghostly enigma. Can they unravel what's really going on in this spooky old house? Or will they be part of the last video Liza Koshy ever makes?! And if so, will it go viral?! Smash that LIKE and SUBSCRIBE button to find out...

Scooby and our mystery solving gang are on set with famous singer, dancer, comedian and actress Sandy Duncan. Can Sandy Duncan and our mystery solving gang survive this savage new Jekyll monster and solve the movie mystery?

When the gang gets a mysterious invitation to a baseball game, they travel to Seattle and meet up with none other than rapper, songwriter Macklemore, who is getting attacked by a horrid and maniacal ghost mascot monster! Macklemore really needs our gang's help, and together, they step up to the plate to swing away at this crazy baseball-fueled mystery. But it all ends in something of a trick-play surprise-ending that not even our guys saw coming! Will our gang hit a home run? Or will it be strike three and they're out of there…for good!

Scooby-Doo and our gang of mystery solvers travel up a lost river in the Amazon Rainforest with famous comedian and actor Jason Sudeikis in search of a great treasure, the very first high-top sneaker ever made. It's rumored to be in a lost shoe factory from 1912 that used organic rubber to make its shoes. But the gang and Mr. Sudeikis are being stalked by a horrible Snake Man Monster that seems intent upon stopping them from reaching their destination. Can our gang survive this adventure and solve this sneaker-filled mystery? Can Mr. Sudeikis truly find the very first high-top ever made? Can Scooby-Doo find sneakers that actually fit all four feet?!