Surprising answers to hilarious questions will be revealed during one epic wedding weekend. Can Marshall complete a cross-country road trip and make it to the ceremony? Is Lily hiding a shocking secret? Will Robin and Barney really tie the knot? It all builds to a climactic two-part series finale, leading to one of the most talked about endings in TV history.

Title from container and disc surface. Originally broadcast in 2013.

The locket -- Coming back -- Last time in New York -- The broken code -- The poker game -- Knight vision -- No questions asked -- The lighthouse -- Platonish -- Mom and dad -- Bedtime stories -- The rehearsal dinner -- Bass player wanted -- Slapsgiving 3: Slappointment in Slapmarra -- Unpause -- How your mother met me -- Sunrise -- Rally -- Vesuvius -- Daisy -- Gary Blauman -- The end of the aisle -- Last forever : part one -- Last forever : part two.