Lauren Halperin

While Barney prepares for his wedding to a mystery bride, he and Ted reminisce about Punchy's wedding, including when Marshall and Lily announced they are having a baby. Meanwhile, Robin considers telling Barney she has feelings for him.

When Fallon (Elizabeth Gillies) and Alexis (guest star Nicollette Sheridan) fight for Steven's (James Mackay) love, his relationship with Sam (Rafael de la Fuente) gets caught in the crossfire. Meanwhile, Cristal (Nathalie Kelley) turns her attention to Culhane's (Robert C. Riley) family and stumbles upon a terrible secret. Grant Show, Sam Adegoke and Alan Dale also star.