- Old Songs
- Old Ted
- Old Testament Trial
- Old Volkswagens and other Beatles
- Olde Him
- Older Than Dirt
- Ole's Inheritance
- Olympic Judging
- Olympic Special
- Omens for a Good Day
- On a Texas Highway
- On Becoming a Teacher
- On Spending a Night in a Hotel...
- On the Dole
- On the Louisiana Bus (Pseudoadult Theme)
- On The Most Wanted List
- On the Planet Called Egg (Feghoot XVI)
- On the Sea of Cortez
- On the topic of guitars....
- On The Veldt
- On to France
- On Your Whatchamacallit
- Once a Pod a Time
- Once Upon a Night....
- Once Upon a Time
- Once, Twice, Three Times a Shaggy Lady
- One Day at the Smith's
- One day in Anaheim
- One Eye and One Horn?
- One Flu Over
- One for Juan
- One for the Birds
- One for the New Year
- One Good Urn Deserves Another
- One Liners
- One O'Clock Shaggy
- One of the classics
- One that got away...
- One Wish
- Open Shaggy Foundation
- Oppenheimer
- Ordeal of Sir Galahad
- Osama in Heaven
- Oscar is Wilde; Gene is Wilder
- Otter Know Better
- Ouch!
- Our New Advocate
- Out for a Beer
- Out of Date
- Out of Sorts