Charlie's Back on 'Two and a Half Men'

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Although Charlie Sheen has been M.I.A. from Two and a Half Men since February 2011, Charlie Harper's spirit has loomed larger over this entire season as Alan's grieving process has taken on unexpected shapes.

The craziest of which goes down in tonight's episode when Walden's redecoration transforms Alan into a cigar-smoking, bowling-shirt wearing, rude S.O.B. -- in other words, Charlie Harper.

Check out a sneak peek of tonight's Two and A Half Men to see if you've missed Charlie, the character, more than you've missed Charlie, the actor.