The Greatest Canadian Invention is a spiritual sequel to The Greatest Canadian originally aired on CBC Television.^[1] It began with CBC viewers voting online on which invention (out of 50) they considered to be the greatest Canadian invention. The show is a two-hour special, hosted by Bob McDonald,^[2] that premiered on 3 January 2007 at 8:00 EST.

The 22 commentators for the show are:

• Margaret Atwood – Writer and inventor of the LongPen
• Buck 65 – Hip hop musician
• Jackie Duffin – Medical History professor at Queen's University
• Will Ferguson – Author and Humorist
• Danielle Goyette – Hockey player and Olympic gold medallist
• Chris Hadfield – Astronaut
• Mike Holmes – Home renovation specialist, TV host of Holmes on Homes
• Mike Lazaridis – President of Research In Motion; inventor of the BlackBerry
• Preston Manning – Trustee of the Manning Innovation Awards
• Patrick McKenna – Comedian and actor
• Miriam McDonald – Actress and star of Degrassi: The Next Generation
• Mitsou – Singer and CBC TV host
• Steve Nash – Basketball player, 2 time NBA MVP
• Kathryn O'Hara – Professor of Science Journalism at Carleton University
• Abena Otchere – Science education advocate and medical student
• Drew Hayden Taylor – Playwright and columnist
• Debbie Travis – Home decoration specialist and TV host of Painted House
• Vikram Vij – Chef/restaurateur and cookbook author
• Michael Winter – Writer
• Ronald Wright – Writer
• Judy Cornish & Joyce Gunhouse (Comrags) – Women's clothes fashion designers

The inventions, in voted order, are:

• Canadian Made, 2012 television series

• The Greatest Canadian Invention Homepage