Episode: 1 High and Low Episode: 2 Light and Dark Episode: 3 Rough and Smooth Episode: 4 Thick and Thin Episode: 5 Open and Close Episode: 6 Loud and Quiet Episode: 7 Floating and Sinking Episode: 8 Full and Empty Episode: 9 Heavy and Light Episode: 10 Inside and Outside Episode: 11 Push and Pull Episode: 12 Long and Short Episode: 13 Wet and Dry Episode: 14 Liquid and Solid Episode: 15 Near and Far Episode: 16 Up and Down Episode: 17 Flat and Steep Episode: 18 Straight and Wavy Episode: 19 Squashy and Stretchy Episode: 20 Stop and Start Episode: 21 Fast and Slow Episode: 22 Hot and Cold Episode: 23 Melting and Freezing Episode: 24 Over and Under Episode: 25 On and Off Episode: 26 Big and Small Episode: 27 Fabric Episode: 28 Metal Episode: 29 Stone Episode: 30 Wood Episode: 31 Ice Episode: 32 Paint Episode: 33 Paper Episode: 34 Mirrors Episode: 35 Cardboard Episode: 36 Sponge Episode: 37 Plastic Episode: 38 Wool Episode: 39 Shells Episode: 40 Water Episode: 41 Sand Episode: 42 Magnets Episode: 43 Clay Episode: 44 Rubber Episode: 45 Chalk Episode: 46 Bubbles Episode: 47 Fruit Episode: 48 Soil Episode: 49 Vegetables Episode: 50 Trees Episode: 51 Flowers Episode: 52 Snow