Possible Clues:

• Without ads, it's usually about 21 or 22 minutes
• Series of funny bits?
• Programme cut by two thirds, then half — that's funny
• Emmy category
• Won't stand the show that's so firm and grand
• "The Big Bang Theory," e.g.
• Funny programme cut -- first by two-thirds, then a half
• ''Friends'', e.g.
• ''The Office,'' e.g.
• The cost I'm made is all for show