How I Met Your Mother | The Rough Patch
Genre: Comedy
Director: Carter Bays, Craig Thomas
Cast: Alyson Hannigan, Cobie Smulders, Cristin Milioti, Jason Segel, Josh Radnor, Neil Patrick Harris
Description: : 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.