How I Met Your Mother S04E24 - The Leap

In the year 2030, Ted Mosby (voiced by Bob Saget) gathers his daughter and son to tell them the story of how he met their mother.
When Ted pulls an all-nighter working on a pitch in an attempt to bring business to his fledgling architecture firm, Marshall tries to lure him to the roof for a surprise 31st birthday party. Barney professes his love for Robin[7] and the story of the Goat is also continued.