New and Improved Yahoo
The new and improved Yahoo is described by Dag as having a "great new taste and extra high-powered vita-stuff to help you grow". The bottle has a warning label with the words "Warning-- Keep out of reach of insects". 
- Norb and Dag owns a Drink Yahoo! digital clock, which is located in the living room.
- Yahoo Soda also appears on fellow Nickelodeon animated series Hey Arnold.
- It is likely Yahoo! is named after the chocolate drink Yoo-Hoo.
- "A Dam Too Far"
- "Bug-a-Boo" (New and improved)
- "The Bing That Wouldn't Leave"
- "Food of the Clods"
- "Kandid Kreatures"
- "Zooing Time"
- "Stare and Stare Alike!"
- "I am Not an Animal I'm Scientist #1
- "Home Loners" (Imported Dutch)
- "Ugly Roomers"