Killer Flu - MS Doctor
Episode: 4x01 | Airdate: Feb 19, 2004 (30 min)
Episodes
Dolphin Talk - Space Robbers - Silent Witness
Episode: 4x02 | Airdate: Feb 26, 2004 (30 min)
Rock Wallabies - Carbon Flux - Heart Exercise
Episode: 4x03 | Airdate: Mar 4, 2004 (30 min)
Crash Barrier - Man vs Pig - Brain Switch
Episode: 4x04 | Airdate: Mar 11, 2004 (30 min)
Whale Sharks - IQ
Episode: 4x05 | Airdate: Mar 18, 2004 (30 min)
Undernourished - Jellyfish Man - Tuatara
Episode: 4x06 | Airdate: Mar 25, 2004 (30 min)
Caves - Colostrum - Rogue Hedgehog
Episode: 4x07 | Airdate: Apr 1, 2004 (30 min)
The Atkins Diet, Part 1
Episode: 4x08 | Airdate: Apr 8, 2004 (30 min)
The Atkins Diet, Part 2
Episode: 4x09 | Airdate: Apr 15, 2004 (30 min)
Mars Water - Penguin Man
Episode: 4x10 | Airdate: Apr 22, 2004 (30 min)
Flying Pigs - Sperm Tolerance - Racism
Episode: 4x11 | Airdate: Apr 29, 2004 (30 min)
Smell and Schizophrenia - Bee Battle
Episode: 4x12 | Airdate: May 6, 2004 (30 min)
Women's Libido - Mini Nukes
Episode: 4x13 | Airdate: May 20, 2004 (30 min)
GHB - Bad Blood - Wave Power
Episode: 4x14 | Airdate: May 27, 2004 (30 min)
Transit Of Venus - Blindness - Looking For Nemo
Episode: 4x15 | Airdate: Jun 3, 2004 (30 min)
Human Sub
Episode: 4x16 | Airdate: Jun 10, 2004 (30 min)
Plastic Furnace - Awake In Surgery - Alzheimer's
Episode: 4x17 | Airdate: Jun 17, 2004 (30 min)
Mars Rover - Asbestos Cancer - Left Brain Right Brain
Episode: 4x18 | Airdate: Jun 24, 2004 (30 min)
Body Hits: On The Lash
Episode: 4x19 | Airdate: Jul 1, 2004 (30 min)
Body Hits: Natural Highs
Episode: 4x20 | Airdate: Jul 7, 2004 (30 min)
Body Hits: Detox Devils
Episode: 4x21 | Airdate: Jul 15, 2004 (30 min)
Body Hits: Against The Clock
Episode: 4x22 | Airdate: Jul 22, 2004 (30 min)
Body Hits: Sensory Overload
Episode: 4x23 | Airdate: Jul 29, 2004 (30 min)
Body Hits: Body Beautiful
Episode: 4x24 | Airdate: Aug 5, 2004 (30 min)
Eureka Prizes: Carp - Eureka Prizes: Rehab Hand - Eureka Prizes: Ethics
Episode: 4x25 | Airdate: Aug 12, 2004 (30 min)
Rotavirus - Heat Stress - Bed Bugs
Episode: 4x26 | Airdate: Aug 19, 2004 (30 min)
Plasma Thruster - Tyre Man - Baroness and the Brain
Episode: 4x27 | Airdate: Aug 26, 2004 (30 min)
Planet Of The Rings
Episode: 4x28 | Airdate: Sep 2, 2004 (30 min)
Pain of Rejection - Pipe Dreams (Geosequestration)
Episode: 4x29 | Airdate: Sep 9, 2004 (30 min)
Gamba Grass - Concussed - DNA Doubt
Episode: 4x30 | Airdate: Sep 16, 2004 (30 min)
Catching The Sun - Blast Glass
Episode: 4x31 | Airdate: Sep 23, 2004 (30 min)
Love Trap
Episode: 4x32 | Airdate: Sep 30, 2004 (30 min)
Sonification - Hydrogen - Bug Bombs
Episode: 4x33 | Airdate: Oct 7, 2004 (30 min)
Cancer Vaccine - Smoke Growth - Alcoota Fossil
Episode: 4x34 | Airdate: Oct 14, 2004 (30 min)
Chloe's Story
Episode: 4x35 | Airdate: Oct 20, 2004 (30 min)
Skin Deep
Episode: 4x36 | Airdate: Oct 21, 2004 (30 min)
The Cost of Living The Cost of Living
Episode: 4x37 | Airdate: Oct 28, 2004 (30 min)
Outreach
Episode: 4x38 | Airdate: Nov 4, 2004 (30 min)
Avalanche - Eat Fat Get Thin
Episode: 4x39 | Airdate: Nov 11, 2004 (30 min)
Smell Doctor - White Tail Spiders - Dye Solar Cell
Episode: 4x40 | Airdate: Nov 18, 2004 (30 min)
Cardiac Death - Diabetes Spray - Scatology
Episode: 4x41 | Airdate: Nov 25, 2004 (30 min)
Shark Cam - Locust Plague
Episode: 4x42 | Airdate: Dec 2, 2004 (30 min)