Elvis Costello & Sean Penn guested on the "Back Off, Mary Poppins" episode of this Charlie Sheen show
Guest Cast ... hit 
sitcom built on often-raunchy material, starring Charlie Sheen and, later... [DOC] [TLE] Two And a Half Men - Men's support group - YouTube [PAR] May 10, 2010 - 4 min - Uploaded by reee1976I don't know if Charlie told you,but I'm recently divorced and it's been kind of a ...  Show ... [DOC] [TLE] Two and a Half Men - Season 2, Episode 1: Back Off Mary Poppins ... [PAR] Sep 20, 2004 ... Back Off Mary Poppins ... By TV.com Users ... Alan learns that Charlie belongs to 
an exclusive men's group, and he begs his brother to let him join.