The past is calling! The future needs their help in this exciting crossover adventure! In Wylieville Valley, the old Wylieville Mansion has spooky whispers and a cold feeling. The caretaker, Henry Gray, has gone missing! Roxy and the Riddle Readers—that's Roxy Rollah, Gussy, Ollie, Penelope, Felix, and Evie—find out his disappearance is just like an old mystery from 1883. As they look into the mansion's creepy secrets, seeing lights flicker and meeting ghosts, their detective work links to a very old secret about a hidden treasure. This secret connects right to the story in "Haunted Mansion 1883"! With help from Jack Tango, can they figure out the old mysteries to stop a new danger today? As both teams find secrets from long ago, they must solve the biggest mystery of the Wylie Mansion before something very old and bad takes its prize.

Secrets can't stay hidden forever! Mysteries stretch across many years in this linked history adventure. Travel back to 1883! The Wylie Mansion, also called "The Pirate Inn," is full of ghosts and dark secrets. Adult Jack Tango leads his special team, PET Sleuths—that's Maxwell, Charlie, Lilypushn'n, Frenchie, and Hootie. Their job is to find out why the mansion is haunted and solve an old mystery that will make noise in the future. They meet ghosts, silly people, and tricky folks who all want a hidden treasure and are part of a secret plan. As they find clues about a very old secret, their work helps a new mystery in modern times. This means their story connects right to "Haunted Mansion"! Some mysteries and some spirits can travel through time! As both teams find secrets from long ago, they must solve the biggest mystery of the Wylie Mansion before something very old and bad takes its prize.

A sugary silence has fallen over Wylieville Valley! When a widespread candy crisis leaves kids distraught and shelves mysteriously bare, even the seasoned Officer Whiskers is utterly perplexed. But for the sharp minds of CIA Junior, a missing lollipop isn't just a sweet loss—it's an urgent summons to action. Operating from their secret HQ nestled within the Squirrel the Swirl Ice Cream Shop, Jackie and his extraordinary team—Lilypushn'n, Maxwell, Charlie, Frenchie, and Hootie—swiftly uncover a sticky trail of stolen confections leading straight to a clandestine black market. As they cross paths with Harper, a schoolmate and victim of the candy heist, and navigate a surprisingly empathetic criminal underworld, the young detectives soon realize this isn't merely about local pilfering. The escalating candy chaos points to something far grander and more sinister: a global criminal empire known only as the Mad Dog Mob.

Welcome to Frankula's Castle: Where Every Monster is a Suspect, and Every Fright is a Clue! Strange horrors plague the legendary Frankula's Castle on the eerie Wylieville Coast, scaring away tourists and disrupting its operations. But who's truly behind the chaos? Is it Vacula, the castle mascot and night mana, trying a bit too hard to entertain? Is it Frankiestein, the reassembled creature, causing accidental humorous frights? Or perhaps Wolfie, the shy Wolf Man? Casper, the bumbling ghost? Wrapster, the unraveling mummy? Miss Spell, the backfiring witch? Chef Zom, the groaning zombie? Gargoyle Greg, the grumpy stone guardian? Gilly, the splashing Gill-man? Peekaboo, the mischievous Invisible Man? Gobbo, the inventory-obsessed goblin? Trolleaf, the bridge-shaking troll? Grinmire, the burping ogre? Or Skittles, the candy-crunching gremlin? Join Roxy and the Riddle Readers as they brave the haunted halls.

Welcome to Wordhaven, a town where every family has a cherished robot pet! But when these beloved companions mysteriously start running away, the town is thrown into chaos, and no one knows why. That's where Roxy Rollah and her brilliant team, "The Riddle Readers," step in! They soon uncover a shocking truth: two eccentric, tech-savvy villains are using a clever digital scheme to snatch the pets. Their plan involves remote hacking, a secret mountain lair, and a ransom demand that escalates with every passing moment. If families don't pay, their beloved pets could be lost forever, or worse, returned in pieces!

A Sweet Mystery is Brewing! When the most delicious ice cream and crunchiest nuts disappear from Squirrel the Swirl Ice Cream Shop, panic spreads through Las Viva! Twisty McNutkin, the squirrel owner, is completely distraught! Who would dare steal such beloved treats? Meet Jack T. Cat, a clever and courageous kitten with a trench coat and an eye for clues. This isn't just any missing snack; it's Jack's very first solo case! Can Jack T. Cat crack the case and restore the sweetness to Wylieville Valley? Dive into Operation Milkstorm: Ice Cream Caper and discover if this pint-sized detective has what it takes to solve the case! Stay Tuned!

Get ready for a captivating mystery in Rockwood City! When Remy the Great's Magic Show rolls into town, dazzling audiences with incredible illusions, valuables mysteriously vanish right alongside the magic. But when the sparkling "Eye of Catropatra" diamond disappears in their grandest act yet, it's a puzzle only one team can solve: Roxy and the Riddle Readers! Led by the sharp instincts of Roxy Rollah, the Abyssinian Cat, and supported by her brilliant team—observant Penelope the Imperial Woodpecker, super-smart Gussy the Orange Tabby Cat, tech-whiz Felix the Chihuahua, gadget-inventor Ollie (Human), and empathetic Evie (Human)—they're on the case! Can Roxy and the Riddle Readers outsmart Remy the Magician Meerkat, powerful Brick the Gorilla, and boisterous Crank the Wild Boar? Join them as they unravel clues, face thrilling challenges, and uncover the truth.

In the whimsical village of Munsterville, where furry creatures dwell and a young schoolgirl named Julianne attends class, a terrible shadow has fallen. The royal family’s bedazzled carriages, once pulled by magnificent white tigers in joyful procession, are no longer a sign of celebration. One by one, villagers vanish into the depths of the mysterious Cinder Forest. Even the young prince—last seen astride his regal tiger—has disappeared without a trace. Fear grips the kingdom, and none dare enter the cursed woods. The forest itself seems alive—a cauldron of whispers, its winds mingling with the eerie cries of unseen creatures, sending shivers through every heart that hears them. Yet Julianne, a kindhearted girl with a secret gift for healing animals, feels the sorrow hidden deep within the trees. Drawn by a truth only she can sense, she must choose between the rumors that terrify her people and the strange power calling her forward. As Julianne steps into the Cinder Forest, danger closes in, and secrets long buried begin to stir. Will she uncover the fate of the missing villagers—and the prince—or be lost forever to the darkness and the siren calls that haunt the trees?