Barney gets an invitation to the Victoria's Secret Fashion Show after-party, where he can mingle with all the models.

Barney's gay brother (Wayne Brady) arrives as Barney is struggling with the realization that all his friends have settled into relationships.

Robin and Barney make a startling discovery; something on the Internet alters Marshall's journey; Lily talks to Ted about Robin.

When the gang helps Barney's mother move, they learn that she has lied to him about events throughout his life; Robin oversells Ted to a blind date.

Robin wonders how Barney will react when James reveals that he is getting divorced; Marshall tries to get to New York in time for the wedding.

Lily becomes frustrated that she is the only one who knows about Ted's plans; Barney and Robin try to spend time together before their relatives arrive for the wedding.

The gang recognizes similarities between their significant other and their parents; a string of unfortunate events ruin Nora and Barney's evening of romance.

Robin is dismayed when Barney wants to have their rehearsal dinner at a laser tag arena; Ted aggravates Lily by not following through with a promise.

Lily helps Barney when he must pick a side in a fight between his mother and Robin; Marshall and Ted get into an argument over wedding gifts and thank-you notes.

Barney concocts a plan when his father (John Lithgow) arrives at the hotel; Ted thinks he is being framed when a wedding-related duty gets messed up.

Barney and Ted consider making a life-altering decision together; Robin tries to talk Lily and Marshall out of moving to Long Island.

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

The members of the gang try to remember an encounter with Gary Blauman when he shows up at the wedding.

Ben tries to warn Riley that her new beau is too good to be true; Bonnie mistakenly sends a revealing message from Danny to Riley's phone; Tucker attempts to impress his boss.

When a streaming platform executive asks Liz to conduct a sensitivity read on one of his comics, the entire firm ends up fighting over cancel culture; an FBI agent goes after Kurt for his alleged involvement in the U.S. Capitol insurrection.

The kids meet a homeless man in their neighborhood; Paul and Rainbow try to help their local homeless community by starting a soup kitchen at Rainbow's school; Denise has a new boyfriend, and Alicia doesn't think they're a match.