Zig-zagged, thanks to the demonstrate switching hands various instances and this kind of things being necessary.- During the show's unique "trial run" on KTMA, a phase in Phase IV highlighted Dr. Forrester and Erhardt in a industrial for Pizza 'N' Pasta, a Twin Cities cafe chain that was purchasing advert area on the community at the time. Their biggest part in most episodes is enjoying the show's topic tunes and the advertisement bumper songs.