Stella says "yes" to Ted's proposal. Robin takes a new job in Japan, but quickly resigns, returning to New York to attend Ted's wedding. Stella leaves Ted at the altar to get back together with the father of her daughter, Tony. Barney struggles with his feelings for Robin as his company shifts him to the management team of a new acquisition, Goliath National Bank (GNB).
Marshall and Lily move to their new apartment and debate over whether or not they're ready to have children. Robin becomes roommates with Ted and gets a job as an anchor for a 4:00 A.M. news show after Barney sends out her video resume. Ted finds out about Barney's feelings for Robin when Ted and Robin sleep together constantly so they won't fight over each others bad co-living habits. imdb Link