Ned's Newt - Season 3 Episode 4 Go Fetch
Overview: Ned sends in 20 cereal box tops to get a "Captain Ocelot Crypto-Claw" toy, but when it doesn't come for eight weeks, Newton decides to go and find it. After going through the company that makes it, they find out each of the toys is manufactured by a goat named "Inchina", and the box tops are meant to feed her as she makes each toy, which takes up to eight weeks.