Dr. Know is a program dedicated to debunking various rumours and popular misconceptions in the realm of personal health. The show featured Dr. Paul Trotman, a New Zealand physician in fields such as internal medicine and obstetrics/gynecology, who is described by one reviewer as a "medical myth buster". The show aired in 20 parts as a half-hour format on The Discovery Health Channel. In 2008, the series began airing on Science Channel. It is filmed in and around Washington, D.C.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Hamster Wheel and Insect Hotel | 2016-09-05 | 15 min |
| Season 1 | Episode 2 | Fire Engine Hose and Reflective Strips | 2016-09-06 | 15 min |
| Season 1 | Episode 3 | Fizzy Water and Yoghurt | 2016-09-07 | 15 min |
| Season 1 | Episode 4 | Bin Lorry and Newspaper | 2016-09-08 | 15 min |
| Season 1 | Episode 5 | Bike Chain and Tennis Ball | 2016-09-09 | 15 min |
| Season 1 | Episode 6 | Cat Flap and Woolly Hat | 2016-09-12 | 15 min |
| Season 1 | Episode 7 | Boat Propeller and Hot Air Balloon | 2016-09-13 | 15 min |
| Season 1 | Episode 8 | Blood Pressure Monitor and Cast | 2016-09-14 | 15 min |
| Season 1 | Episode 9 | Hot Water and Toothpaste | 2016-09-15 | 15 min |
| Season 1 | Episode 10 | Water Park and Ice Cream | 2016-09-16 | 15 min |
| Season 1 | Episode 11 | Popcorn and Pasta | 2016-09-19 | 15 min |
| Season 1 | Episode 12 | Helicopter Rotor and Tricycle | 2016-09-20 | 15 min |
| Season 1 | Episode 13 | Toilet Flush and Toilet | 2016-09-21 | 15 min |
| Season 1 | Episode 14 | Carousel and Wax Crayons | 2016-09-22 | 15 min |
| Season 1 | Episode 15 | Crane and Bricks | 2016-09-23 | 15 min |
| Season 1 | Episode 16 | Lock and Key and Glass | 2016-10-24 | 15 min |
| Season 1 | Episode 17 | Piano and Drums | 2016-10-25 | 15 min |
| Season 1 | Episode 18 | Bus Ramp and Roads | 2016-10-26 | 15 min |
| Season 1 | Episode 19 | Dishwasher and Table | 2016-10-27 | 15 min |
| Season 1 | Episode 20 | Eggs and Bread | 2016-10-28 | 15 min |
| Season 1 | Episode 21 | Magnets and Teddy Bears | 2016-10-31 | 15 min |
| Season 1 | Episode 22 | Escalator and Wheelbarrow | 2016-11-01 | 15 min |
| Season 1 | Episode 23 | Car Brakes and Car | 2016-11-02 | 15 min |
| Season 1 | Episode 24 | Zips and Screen Printing | 2016-11-03 | 15 min |
| Season 1 | Episode 25 | Cake and Soft Play | 2016-11-04 | 15 min |
| Season 2 | Episode 1 | Shipping Container and Bubble Packaging | 2018-04-03 | 15 min |
| Season 2 | Episode 2 | Umbrella and Carwash | 2018-04-04 | 15 min |
| Season 2 | Episode 3 | Ice Rink and Bouncy Castle | 2018-04-05 | 15 min |
| Season 2 | Episode 4 | Clock and Cutlery | 2018-04-06 | 15 min |
| Season 2 | Episode 5 | Opticians and Glasses | 2018-04-09 | 15 min |
| Season 2 | Episode 6 | Sleeping Bag and Mattress | 2018-04-10 | 15 min |
| Season 2 | Episode 7 | Canal Lock and Gate | 2018-04-11 | 15 min |
| Season 2 | Episode 8 | Train Tracks and Paint | 2018-04-12 | 15 min |
| Season 2 | Episode 9 | Handwash and Vacuum | 2018-04-13 | 15 min |
| Season 2 | Episode 10 | Lifeboat and Concrete | 2018-04-16 | 15 min |
| Season 2 | Episode 11 | Aeroplane and Trainers | 2018-04-17 | 15 min |
| Season 2 | Episode 12 | Traffic Lights and Emergency Lights | 2018-04-18 | 15 min |
| Season 2 | Episode 13 | Hairclippers and Ballet Shoes | 2018-04-19 | 15 min |
| Season 2 | Episode 14 | Playground and Plant Pots | 2018-04-20 | 15 min |
| Season 2 | Episode 15 | Disco Ball and Jigsaw Puzzle | 2018-04-23 | 15 min |
| Season 2 | Episode 16 | Posting a Letter and Colouring Pencils | 2018-09-10 | 15 min |
| Season 2 | Episode 17 | Bubbles and Chocolate | 2018-09-11 | 15 min |
| Season 2 | Episode 18 | Lift and Spacesuit | 2018-09-12 | 15 min |
| Season 2 | Episode 19 | Television and Carpet | 2018-09-13 | 15 min |
| Season 2 | Episode 20 | Kite and Wind Turbine | 2018-09-14 | 15 min |
| Season 2 | Episode 21 | Fish Tank and Bath | 2018-09-17 | 15 min |
| Season 2 | Episode 22 | Hand Dryer and Toilet Roll | 2018-09-18 | 15 min |
| Season 2 | Episode 23 | Prosthetic Leg and Detection Dog | 2018-09-19 | 15 min |
| Season 2 | Episode 24 | Barcode and Fish Cakes | 2018-09-20 | 15 min |
| Season 2 | Episode 25 | Refrigerator and Mushroom | 2018-09-21 | 15 min |
| Season 3 | Episode 1 | Skyscraper and Flying Bird | 2019-04-29 | 15 min |
| Season 3 | Episode 2 | Plant and Compost | 2019-04-30 | 15 min |
| Season 3 | Episode 3 | Car Engine and Car Transporter | 2019-05-01 | 15 min |
| Season 3 | Episode 4 | Day and Night and Solar Panel | 2019-05-02 | 15 min |
| Season 3 | Episode 5 | Singing and Trombone | 2019-05-03 | 15 min |
| Season 3 | Episode 6 | Bridges and Playground Flooring | 2019-05-06 | 15 min |
| Season 3 | Episode 7 | Butterfly and Wallpaper | 2019-05-07 | 15 min |
| Season 3 | Episode 8 | Digger and Wellies | 2019-05-08 | 15 min |
| Season 3 | Episode 9 | Hearing Aid and Whistle | 2019-05-09 | 15 min |
| Season 3 | Episode 10 | Cricket Bat and Wind Up Toy | 2019-05-10 | 15 min |
| Season 3 | Episode 11 | Cereal and Potato Harvester | 2019-05-13 | 15 min |
| Season 3 | Episode 12 | Bowling Alley and Ribbon | 2019-05-14 | 15 min |
| Season 3 | Episode 13 | Beehive and Mug | 2019-05-15 | 15 min |
| Season 3 | Episode 14 | Digestion and Meringue | 2019-05-16 | 15 min |
| Season 3 | Episode 15 | Clouds & Rain and Radiator | 2019-05-17 | 15 min |
| Season 3 | Episode 16 | Metal Recycling Centre and Road Sign | 2019-09-09 | 15 min |
| Season 3 | Episode 17 | Lighthouse and Bathbomb | 2019-09-10 | 15 min |
| Season 3 | Episode 18 | Waves and Ice Cream | 2019-09-11 | 15 min |
| Season 3 | Episode 19 | Library and Book | 2019-09-12 | 15 min |
| Season 3 | Episode 20 | Washing Machine and Jeans | 2019-09-13 | 15 min |
| Season 3 | Episode 21 | Tram and Map | 2019-09-16 | 15 min |
| Season 3 | Episode 22 | Spider Web and Watering Can | 2019-09-17 | 15 min |
| Season 3 | Episode 23 | Camera and Hair Brush | 2019-09-18 | 15 min |
| Season 3 | Episode 24 | Sleep and Sofa | 2019-09-19 | 15 min |
| Season 3 | Episode 25 | X-Ray and Sock | 2019-09-20 | 15 min |
| Season 4 | Episode 1 | Starlight and Stop-Frame Animation | 2020-04-20 | 15 min |
| Season 4 | Episode 2 | Bird's Nest and Helmet | 2020-04-21 | 15 min |
| Season 4 | Episode 3 | Electric car and Wind | 2020-04-22 | 15 min |
| Season 4 | Episode 4 | Hula Hoop and Tent | 2020-04-23 | 15 min |
| Season 4 | Episode 5 | Drinking Water and Carrots | 2020-04-24 | 15 min |
| Season 4 | Episode 6 | Radio Telescope and Maze | 2020-04-27 | 15 min |
| Season 4 | Episode 7 | Bike Bell and Line Markings | 2020-04-28 | 15 min |
| Season 4 | Episode 8 | Floating and Sand | 2020-04-29 | 15 min |
| Season 4 | Episode 9 | Road Sweeper and Paper Straw | 2020-04-30 | 15 min |
| Season 4 | Episode 10 | Glass Recycling and Jam | 2020-05-01 | 15 min |
| Season 4 | Episode 11 | Snail and Tractor | 2020-05-25 | 15 min |
| Season 4 | Episode 12 | Window Cleaning Cradle and Shadow | 2020-05-26 | 15 min |
| Season 4 | Episode 13 | Kaleidoscope and Envelope | 2020-05-27 | 15 min |
| Season 4 | Episode 14 | Neon Sign and Revolving Door | 2020-05-28 | 15 min |
| Season 4 | Episode 15 | Climbing Wall and Modelling Clay | 2020-05-29 | 15 min |
| Season 4 | Episode 16 | Forklift and Dried Fruit | 2020-06-01 | 15 min |
| Season 4 | Episode 17 | Car Ferry and Globe | 2020-06-02 | 15 min |
| Season 4 | Episode 18 | Airport Baggage and Rucksack | 2020-06-03 | 15 min |
| Season 4 | Episode 19 | Lamp and Playhouse | 2020-06-04 | 15 min |
| Season 4 | Episode 20 | Speaker and Colour | 2020-06-05 | 15 min |
| Season 5 | Episode 1 | Reindeer and Christmas Decorations | 2020-12-14 | 15 min |
