The song over the end credits is "You Make Lovin' Fun" by Fleetwood Mac (the Belchers sing it as "You Make Plumbing Fun"). In the episode, Bob and Gene say their (made-up) plumbing company is called Fleetwood Mac.
The item that Teddy and the Belchers search for is a Japanese netsuke. Netsuke are small carved ornamental toggles worn as part of Japanese traditional dress by which an article could be attached to the sash of a kimono.
Store next door: If You Don't Glove Me By Now: Glove Emporium
Exterminator: It Had to Be Glue: Glue Trap Exterminators
Burger of the Day: The Mush-Aroom About Nothing Burger