How I Met Your Mother Season 4 Episode 24 will airs on Monday May 18th, 2009 at 08:30 pm via CBS. This episode have entittled "The Leap" in this episode Trying to keep his architecture firm afloat by doing an all-nighter, but Marshall tries to lure him to the roof for a surprise 31st birthday party, on the fourth season finale. You can watch How I Met Your Mother s04e24 on my kayongblogger.com watch tv show area for FREE!! just hit the link!. 

Watch How I Met Your Mother Season 4 Episode 24

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[youtube]http://www.youtube.com/watch?v=h_hUiMovflY[/youtube]