There's a chill in the air, even in the bar where there's a blockage in the furnace vent. The furnace repairman is delayed in his visit, so in the meantime, the collective in the bar suggests that the skinniest person try and shimmy down the furnace vent to unblock the clog, that person being Diane. Diane gets stuck in the vent, which is located underneath the floor, but that doesn't stop her from dispensing her wisdom to the gang as the bodiless voice. The chill is also affecting Cliff, who is under the weather, even so much so that he's come into the bar during the middle of his route to get something hot to drink. He's obviously sick, but won't let that affect him finishing his route. Actually he used all his sick days to take his trip to Florida. Norm, being the friend that he is, tells Cliff that the remaining handful of letters he can deliver for Cliff. Although initially reluctant to let Norm do this for him if only because of what he sees as Norm's lack of postal delivery ...
Did You Know?
died of a heart attack five days after this episode aired. He would still appear in two more episodes, shot shortly before his death. See more
Diane's face and clothes are not messed or dirty at all while she's in the vent. See more
What happened to the heat, Coach?
Oh, some minor malfunction that no one here is skilled enough to even attempt to fix.
Diane, I resent that, I'm kind of a handy guy; I'll have you know, just the other day, I uh, changed one of them, uh... what do you call them?
Lightbulb, there you go!