All Available Episode All Season 4 Episode 1. The Invisible Potty / Drake's Circumnavigation Jan, 1978 25 minutes 0.0 2. The Secret War / The Potty Roman Games Jan, 1978 25 minutes 0.0 3. The Potty Lifeboat / U.S. Independence Jan, 1978 25 minutes 0.0 4. The Fun Factory / The Potty Bypass Feb, 1978 25 minutes 0.0 5. The Potty Safari Park / The Potty in the Iron Mask Feb, 1978 25 minutes 0.0 6. Theseus and the Minotaur / The Great Potty Escape Feb, 1978 25 minutes 0.0 7. The Hillbillies / The Private Enterprise Monastery Feb, 1978 25 minutes 0.0