Mad About You/Mad About You episode
Amanda wrote at 2009-11-01 07:48:35
I don't think the above answer is correct, as I saw the episode mentioned today ('The Handyman', but have found another episode a bit later on in the season, called 'Citizen Buchman', which sounds like it might be the one the OP is after. The synopsis is: Paul tries to decipher the last words of his dying uncle. This is from Season 5.
LocoPorTi wrote at 2013-02-24 02:05:19
The Mel Brooks episode that was given in the answer above, was the episode before the one the questioner asked about, S5E14. However that is not the right episode.
The episode the questioner is asking about is S5E15, where Uncle Marty dies during the filming of Pauls movie and they try to figure out what his dying words were.
ca5ey wrote at 2015-09-11 06:02:00
it's season 5 episode 15 "citizen Buchman" (http://www.imdb.com/title/tt0638858/
). It's his great uncle Marty who dies and his last words were "hoo moos"