In 'How I Met Your Mother' Season 9 Episode 6 entitled 'Knight Vision', the Barney-Robin nuptials continue. Apart from the promotional teaser video, an official episode synopsis was likewise released showing Ted Mosby's search for a date for the coming weekend.

In the teaser video, Barney Stinson and Robin Scherbatsky will be using the admiring story of how Marshall Eriksen and Lily Aldrin first met. Aldrin eventually finds out what the two did that she understandably became upset. The wedding minister likewise warned the couple that they should stop breaking the ninth commandment if they are indeed willing to be married in his church.

A synopsis for 'Knight Vision' has been released by the CBS network: "In Knight Vision, Ted Mosby is going to find himself with three prospects for the wedding weekend. When Ted finds himself the three prospects to be his date for the wedding weekend, he is going to choose poorly. Finally, Marshall finds out more about Daphne, the woman he's driving with as he tries to make it back for the wedding."

Mosby's weekend date is later revealed as Cassie who will be played by 'True Blood' actress Anna Camp. Viewers are likewise wondering if "The Mother" Cristin Milioti will re-appear in the show.

HIMYM Season 9 Episode 6 will be aired on October 21 at 7 p.m. on the CBS network.