These "How I Met Your Mother" guest stars stole the show.
Top 10 Times How I Met Your Mother Tackled Serious Issues
WatchMojo
It's a comedy, but sometimes "How I Met Your Mother" tackled serious issues.
These "How I Met Your Mother" guest stars stole the show.
These "How I Met Your Mother" guest stars stole the show.
Our countdown includes James Van Der Beek, Ralph Macchio, Carrie Underwood, and more!
It's a comedy, but sometimes "How I Met Your Mother" tackled serious issues.