‘How I Met Your Mother’ Season 9 Spoilers, Promo Video: Robin And Lily Have A Fight, Barney Can’t Decide On Wedding Day Suit In Episode 19

"How I Met Your Mother" season 9 has only 5 episodes left! Find out the latest spoilers and watch the promo video for "How I Met Your Mother" season 9, episode 19 here! Robin and Lily will have a fight, while Barney can't decide what suit to wear on his wedding day!

The synopsis for "How I Met Your Mother" season 9, episode 19, titled "Vesuvius," reads: "On the morning of the wedding, Lily and Robin have a fight and Barney freaks out about which suit to wear. Meanwhile, the gang watches a movie Ted has forbidden them to see."

Watch the promo video below!

Lucy Hale will return as Robin's sister Katie, Chris Kattan will return as Jed Mosely, and Jon Heder will guest star as Narshall, Hollywood Hills reports.

It looks like there will be some major drama between Robin and Lily in "Vesuvius," IB Times reports.

"It's got everything," Ted tells The Mother in the promo video for next week's episode. "Intrigue, betrayal, lamps!"

Ted will also be around to help Barney pick out his suit for his wedding. Unlike Robin, Barney is very picky when it comes to clothing.

"Say yes to the suit!" Ted screams at Barney, begging him to just pick something.

"I can't!" Barney cries back.

"How I Met Your Mother" season 9, episode 19 is scheduled to air on Monday night, March 3rd at 8/7c on CBS.