Marshall is scheduled to visit the dentist for a retainer, but he fears that he might end up the same way as the previous retainer recipient – he became able to hear what the dogs really say, and that was something they really didn't like.
|Lauri Hendler||Guest Star|
|Aron Kincaid||Guest Star|
|Vincent Schiavelli||Guest Star|
|Balrick Brecque||Guest Star|
|Lou Cutell||Guest Star|