Hal & Harper
The Smudged Letter Mystery (S01E35)
Huckle, Lowly, and Sally join forces with Postman Pig to solve the puzzle of a letter that has an unclear address. Together, they embark on an adv...
S01E35
Show
Season 1 Episodes
S01E01 - Pilot
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S01E02 - The Missing Pickle Car Mystery
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S01E02 - Going to Each Other
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S01E03 - The Mystery Wheel
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S01E03 - Our House
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S01E04 - Busytown Blue-Bottoms
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S01E04 - Adventure Landing
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S01E05 - Halloween
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S01E05 - The Mystery of the Lost Parrot
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S01E06 - The Monster Mystery
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S01E06 - Didn't Even Hurt
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S01E07 - Vegas
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S01E07 - The Trouble with Bubbles
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S01E08 - Are You Watching?
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S01E08 - Little Orphan Egg
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S01E09 - The Lighthouse Ghost Mystery
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S01E10 - Cornfield Confusion
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S01E11 - The Sticky Stuff Mystery
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S01E12 - Up, Up and Away
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S01E13 - Six Little Muffins
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S01E14 - The Crashing Cans Mystery
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S01E15 - The Invisible Cake Snatcher
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S01E16 - On the Move
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S01E17 - Litterbug Busters
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S01E18 - There Might Be Giants
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S01E19 - Where's Junior?
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S01E20 - The Secret Club Mystery
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S01E21 - The Playground Mystery
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S01E22 - The Crazy Clock Mix-Up Mystery
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S01E23 - The Cheese Car Chomp Mystery
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S01E24 - Where's the Hero?
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S01E25 - The Mystery of the Unbreakable Bread
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S01E26 - The Twisty Line Mystery
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S01E27 - Chain of Mysteries
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S01E28 - The Mystery of the Unfinished Painting
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S01E29 - The Pretty Park Mystery
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S01E30 - The Missing Museum Statue Mystery
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S01E31 - The Vanishing Tiara Mystery
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S01E32 - The Postage Stamp Mystery
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S01E33 - The Bank Note Mystery
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S01E34 - The Flying Saucer Mystery
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S01E35 - The Smudged Letter Mystery
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S01E36 - The Mystery Present
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S01E37 - The Falling Fruit Mystery
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S01E38 - The Dragon Hunters
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S01E39 - The Disappearing Swimming Hole
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S01E40 - The Forgotten Fire Hose Mystery
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S01E41 - The Disappearing Home Mystery
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S01E42 - The Flipping, Flying, Slipping, Sliding Mystery
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S01E43 - The Mystery of the Unpopular Pizzeria
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S01E44 - The Silly Scarecrow Mystery
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S01E45 - Huckle, Where's My Apple Car?
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S01E46 - The Dirty Laundry Mystery
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S01E47 - The Eight Shoes Mystery
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S01E48 - The Something in the Woods Mystery
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S01E49 - The Borrowed Book Mystery
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S01E50 - The Mystery of the Missing Mystery Books
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S01E51 - The Mystery of the High Jumper
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