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- Odd Job Jack - Comedy/Animated
- The Odyssey - Teen Drama / Fantasy
- Off the Record - Talk/Sports
- Ombudsman - News/Information
- On the Evidence - Drama/Action
- On the Road Again - Documentary
- Once a Thief - Crime
- Once Upon A Hamster - Children's
- Open Mike with Mike Bullard - Talk/Comedy and Variety
- Opening Night - Drama/Action
- The Outer Limits - Science-Fiction
- Over the Rainbow - reality/talent competition
Read more about this topic: List Of English-language Canadian Television Series