Watch How I Met Your Mother Season 4 Episode 20 online

When Ted loses his job and decides to form his own architectural firm out of his apartment, he hires an intern to help get his company off the ground, but the intern gets too close for comfort with some of Ted's friends. Meanwhile, Marshall tries to make himself more valuable at work with a gimmick

•  Season 4, Episode 18 : Old King Clancy03/23/2009  
•  Season 4, Episode 19 : Murtaugh03/30/2009  
•  Season 4, Episode 20 : Mosbius Designs04/13/2009  
•  Season 4, Episode 21 : The Three Days Rule04/27/2009  
•  Season 4, Episode 22 : Right Place, Right Time05/04/2009