Two And A Half Men - Season 4 -

: Widely considered the season's (and perhaps series') best episode, this Christmas special subverts holiday sentimentality with a chaotic party and a near-miss encounter with a woman who might be Charlie's sister.

: A relatable exploration of Charlie hitting his 40s and struggling to keep up with a much younger girlfriend. Guest Stars & Ensemble Highlights Two and a Half Men - Season 4

The season is bolstered by an impressive array of guest stars who integrate seamlessly into the main cast's dynamics: : Widely considered the season's (and perhaps series')

: Guest stars as Danielle, a neighbor Charlie tries to set up with Alan. : Makes a memorable guest appearance as Charlie’s

: Makes a memorable guest appearance as Charlie’s loud new neighbor.

: A central narrative thread involves Alan’s desperate attempt to get Judith to remarry Herb Melnik (Ryan Stiles) so he can finally stop paying alimony.

: Features a notable performance by Jane Lynch as the recurring therapist, Dr. Linda Freeman, as Alan deals with intense jealousy toward Charlie.