CBS has released the official description of Two and a Half Men season 11 episode 18 "West Side Story". This episode is slated to air on Thursday, April 3 at 9PM ET/PT.

WALDEN GETS AN INVITATION TO HIS EX-GIRLFRIEND’S BOUTIQUE OPENING --

Brooke D’Orsay Returns as Walden’s Ex-Girlfriend, Kate;

Kimberly Williams-Paisley Returns as Alan’s New Love Interest, Gretchen

• Walden gets an invitation to his ex-girlfriend’s boutique opening.
• Meanwhile, Gretchen wants to spend more time at Alan’s (a.k.a. Jeff Strongman) house.

CAST:
Ashton Kutcher (Walden Schmidt)
Jon Cryer (Alan Harper)
Conchata Ferrell (Berta)
Amber Tamblyn (Jenny)

RECURRING CAST:
Courtney Thorne-Smith (Lyndsey)
D.B. Sweeney (Larry)
Kimberly Williams-Paisley (Gretchen)
Brooke D’Orsay (Kate)
Clark Duke (Barry)

STORY BY: Don Reo, Jim Patterson and Susan McMartin
TELEPLAY BY: Jeff Lowell, Matt Ross and Max Searle
DIRECTED BY: James Widdoes

Source: CBS