Valerie Mahaffey is great in the role of the ex-girlfriend stalker. You'll remember her as Eve from Northern Exposure. Her character there had a lot of similarities with the role she plays here.
Of course any episode from seasons 3 through 6 with both Lowell and Antonio can't be bad, but I particularly like to see Joe squirm and this has him squirming (and dancing) at
I really don't see the reason for the 100 word minimum--it probably stops a lot of reviews from being written. I ran out of gas around 60 words but had to keep on typing.