Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
12 Episodes 2026 - 2026
Episode 1
Why do ears have earwax, and how much do they make? And what happens when a person burps?
Episode 2
The doctors investigate how fast farts travel with their Fart-O-Matic contraption.
Episode 3
Find out what happens when you vomit. Dr Raph visits Dr Dan's heart in Just One Second.
Episode 4
Dr Raph meets robots being trialled for magnetic vine surgery.
Episode 5
There's heart-pumping action in Ouchology, and the doctors discover why we get blisters.
Episode 6
Dynamite sets Drs Dan and Raph an epic Body Battles task, and Billy becomes a mindbender.
Episode 7
Dr Leanne answers questions in Ouch and About, and can Xand's voice really break glass?
Episode 8
Can the doctors build a human in the lab? And Mr Grumbles becomes a mind-bending illusion.
Episode 9
Why do tummies flip on a rollercoaster? And find out how triage works in hospital.
Episode 10
What causes pins and needles? And Dr Dan explores Dr Raph's lungs in Just One Second.
Episode 11
Why do we get chapped lips? And in Just One Second, Dr Raph gets right on Dr Dan's nerves.
Episode 12
Dr Chris, Dr Xand and Dr Ronx explore their way through the world of medicine and biology.