Two And A Half Men: Season 4, Episode 2

4 - 2: Who's Vod Kanockers?

Charlie finally tells Alan that he didn't marry Mia because she wanted Alan and Jake to move out, but Alan finds a hole in his logic. Charlie and Alan deal with a noisy neighbor, who happens to be Steven Tyler. Title quotation from: Jake, after Charlie mentions Evelyn's "vodka knockers", asks "Who is this Vod Kanockers that you speak of?"