It's Garry Shandling's Show.: Season 4, Episode 16
Mad at Brad (4 May 1990)
TV Episode - - Comedy
Garry's manager Brad shows up at the house with his newest client, singer Chris Isaak. When Brad's time is increasingly taken up by Chris, Garry fires him and Pete takes over, but the first job he gets Garry is an embarrassing infomercial.