Knock Knock (S01E17)

S01E01 Rockpool S01E02 Hello Cello S01E03 Night Noises S01E04 Snorgesbord S01E05 How to Calm a Mole S01E06 Stormy Day S01E07 The Lost Bear S01E08 Mole's Big Plant S01E09 Way Up High S01E10 Tick Tock S01E11 Magical Sounds S01E12 A Night in the Day S01E13 Panning for Sound S01E14 No Luck, No Duck S01E15 Scarecrow S01E16 Mood Music S01E17 Knock Knock S01E18 One Starry Night S01E19 Village Church S01E20 Sound Detector S01E21 The Sound of Steam S01E22 Re-Wilding S01E23 Horse Power S01E24 Animal Talk S01E25 The Piano S01E26 Beachcombing S01E27 Spring Clean S01E28 The Magic of Seeds S01E29 Spooky Day S01E30 Sounds of the Clouds S01E31 Harp Strings S01E32 Float Your Boat S01E33 Roar Power S01E34 Festival of Sound S01E35 Murmurations S01E36 Squeak S01E37 The Sound of Mole S01E38 Apple Bobbing S01E39 Loud Music S01E40 Wake Up! S01E41 Wind Farm S01E42 Meerkat Mayhem S01E43 Lost in the Fog S01E44 Extremes S01E45 Buzzy Business S01E46 Mole's Magic Carpet S01E47 Bells S01E48 Echo Echo S01E49 Skateboard S01E50 Nice on the Ice S01E51 Sounds of the Town S01E52 Watch the Birdy S01E53 The Visitor S01E54 The Sound of Silence S01E55 A Cold Winter's Day S01E56 Bats S01E57 Snowboarding S01E58 The Sounds Inside S01E59 A Beautiful Noise S01E60 Ice Music