Are they watching a video or taking selfies in this scene from How I Met Your Mother? At least they're all smiling.

Robin is willing to resort to desperate measures to get her groom ready for the wedding ceremony on How I Met Your Mother.

Just how much did Barney drink the night before his wedding? "Rally" is the 18th episode of the show's ninth and final season.

Is there any chance that Lily can recall Barney's ridiculous recipe for a hangover cure to help rouse him for his own wedding?

Once upon a time, on a very bad morning, Barney offered Lily his famous Hangover Fixer Elixir.

With the wedding ceremony just hours away, things look desperate when Robin can't wake Barney. "Rally" is the 18th episode of the show's ninth and final season.

Will Lily and Robin be able to rouse Barney before it's time to walk down the aisle on How I Met Your Mother?

No, Robin's not drowning Barney but she might like to considering how hungover he is on the morning of their wedding on How I Met Your Mother.

Lay it on her, Marshall! We should really leave this How I Met Your Mother couple alone.

Robin gets a drunken Barney to spill his secrets on How I Met Your Mother. "Unpause" is the 15th episode of the show's ninth season.

Ted and the others sit around their booth telling stories.

Despite having multiple options, Ted still manages to make the wrong choice in his date for the wedding on How I Met Your Mother. "Knight Vision" is the sixth episode of the show's ninth season.