Ep. 1. "The Big Apple Mystery"/"The Twisty Line Mystery"

Ep. 2: "The Mystery Wheel"/"Busytown Blue-Bottoms"

Ep. 3: "The Mystery of the Lost Parrot"/"The Monster Mystery"

Ep. 4: "The Troubles with Bubbles"/"Little Orphan Egg"

Ep. 5: "The Lighthouse Ghost Mystery"/"Cornfield Confusion"

Ep. 6: "The Sticky Stuff Mystery"/"Up, Up and Away"

Ep. 7: "Six Little Muffins"/"The Crashing Cans Mystery"

Ep. 8: "The Invisible Cake Snatcher"/"On the Move"

Ep. 9: "Litterbug Busters"/"There Might Be Giants"

Ep. 10: "Where's Junior?"/"The Secret Club Mystery"

Ep. 11: "The Playground Mystery"/"The Crazy Clock Mix-Up Mystery"

Ep. 12: "The Cheese Car Chomp Mystery"/"Where's the Hero?"

Ep. 13: "The Mystery of the Unbreakable Bread"/"The Missing Pickle Car Mystery"

Ep. 14: "Chain of Mysteries"/"The Mystery of the Unfinished Painting"

Ep. 15: "The Pretty Park Mystery"/"The Missing Museum Statue Mystery"

Ep. 16: "The Vanishing Tiara Mystery"/"The Postage Stamp Mystery"

Ep. 17: "The Bank Note Mystery"/"The Flying Saucer Mystery"

Ep. 18: "The Smudged Letter Mystery"/"The Mystery Present"

Ep. 19: "The Falling Fruit Mystery/"The Dragon Hunters"

Ep. 20: "The Disappearing Swimming Hole"/"The Forgotten Fire Hose Mystery"

Ep. 21: "The Disappearing Home Mystery"/"The Flipping, Flying, Slipping, Sliding Mystery"

Ep. 22: "The Mystery of the Unpopular Pizzeria"/"The Silly Scarecrow Mystery"

Ep. 23: "Huckle, Where's My Apple Car?"/"The Dirty Laundry Mystery"

Ep. 24: "The Eight Shoes Mystery"/"The Something in the Woods Mystery"

Ep. 25: "The Borrowed Book Mystery"/"The Mystery of the Missing Mystery Books"

Ep. 26: "The Mystery of the High Jumper"/"The Mystery of the Summer Snowman"