The Rough Patch How I Met Your Mother : Season 5 Episode 7
TV-14 CBS 23m
Aired: November 9th, 2009 @ 8:00 PM EST on CBS
Lily comes up with a perfect plan to break up the relationship between Barney and Robin when they have a rough patch, but she needs help from Robin's famous friend, Alan Thicke, in order to make it work.
