Hal & Harper
The Lost Key Mystery (S02E25)
Huckle and his friends team up with Mayor Fox to locate the ceremonial key that has gone missing in Busytown. As they embark on an adventurous que...
S02E25
Show
Season 2 Episodes
S02E02 - The False Alarm Mystery
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S02E03 - The Sandcastle Squasher
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S02E04 - The Strange Ski Tracks Mystery
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S02E05 - The Mislaid Sketchbook Mystery
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S02E06 - The Hot and Cold Mystery
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S02E07 - The Missing Cookie Coupon Mystery
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S02E08 - The Mystery of the Broken Boat
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S02E09 - The Disappearing Dolly Mystery
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S02E10 - The Vanishing Vehicle Mystery
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S02E11 - The “Now You See It, Now You Don't” Mystery
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S02E12 - The Mystery of the Missing Pirate Gold
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S02E13 - The Mysterious Color-Changing T-Shirt
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S02E14 - The Metal Finger Mystery
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S02E15 - Mystery of the Lost Camera
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S02E16 - The Jellybean List Mystery
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S02E17 - The Vanishing Hopscotch Mystery
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S02E18 - The Hidden Treasure Mystery
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S02E19 - The Busytown Lake Monster Mystery
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S02E20 - The Bad Driver Mystery
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S02E21 - The Flattened Field Mystery
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S02E22 - The Flying Potatoes Mystery
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S02E23 - The Red Spot Painter Mystery
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S02E24 - The Teeny Weeny Piano Mystery
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S02E25 - The Lost Key Mystery
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S02E26 - The Door Knocker Mystery
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S02E27 - The Totally Fishy Mystery
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S02E28 - The Radio Message Mystery
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S02E29 - The Numbered Papers Mystery
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S02E30 - The Sour Milk Mystery
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S02E31 - The Delayed Delivery Mystery
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S02E32 - The Busytown Fairies Mystery
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S02E33 - The Mystery of the Lost Bag
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S02E34 - The Flat Tire Mystery
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S02E35 - Huckle Unlocks a Mystery
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S02E36 - The Messy Car Mystery
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S02E37 - The Achoo Mystery
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S02E38 - The Missing Laundry Mystery
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S02E39 - The No News Today Mystery
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S02E40 - The Big Tooth Mystery
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S02E41 - The Big 10 Mystery
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S02E42 - The Whistle Blower Mystery
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S02E43 - The Mystery Invitation
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S02E44 - A Spoon Full of Mystery
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S02E45 - The Whoop Whoop Whoop Mystery
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S02E46 - The Missing Mayor Mystery
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S02E47 - The Apple Orchard Spaceman Mystery
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S02E48 - The Pick and Run Mystery
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S02E49 - The Sleepytown Mystery
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S02E50 - The Mystery of the Switched Cars
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S02E51 - The Admiral Hornblast's Nameplate Mystery
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