"Paint It, Pierce It Or Plug It" -- Alan has concerns when Jake brings his 36-year-old girlfriend home for a visit. Meanwhile, Walden tries to keep a secret from Alan, on "Two and a Half Men," Thursday, Feb. 7 (8:31 ? 9:01 PM, ET/PT) on the CBS Television Network. Jamie Pressly guest stars as Tammy, Jake?s love interest. Left to right: Jamie Pressly (Tammy), Angus T. Jones (Jake) and Jon Cryer (Alan).