Clever Levers/Going, Going Gong (S03E10)

S03E01 Whatever Floats Your Boat/Building Bridges S03E02 Accidents Happen... If You're Lucky/Making Waves S03E03 Pulling Together/Fact and Friction S03E04 Shadow Play/Play Ball S03E05 The Search for String/Mirror Mirror S03E06 Opposites Attract/The Talents of Balance S03E07 Who Can See the Wind?/Gravity Drop S03E08 Nick's Cricket/Go With the Flow! S03E09 Design Time/A Prize Surprise S03E10 Clever Levers/Going, Going Gong S03E11 You're It/The Holes Story S03E12 Bump Bump Bump Around/Snow Difference S03E13 All Sorts of Things/Bubble Trouble S03E14 Cause and Effect/Good Vibrations S03E15 The Smart Move/Simply Simple S03E16 Back on Track/Enough Is Enough S03E17 Mind Changing Fun/Curious Minds S03E18 The Treehouse Handshake/The Big Pictures S03E19 Batteries Not Included/Checking the Boxes S03E20 The Hard Weigh/The Song Flower Solution S03E21 You're It S03E23 Bump Bump Bump Around S03E25 All Sort of things S03E27 Simply Simple