I think Barney is Marryin' Robin !! And I happen to believe that for a certain reason which is :At the end of the 1st part of the premiere we see lilly callin' ted cuz the bride needs him so unless Ted became really good friends with Nora she Would probably call someone else that's why I'm sure that Barney is marrying Robin !!! If u agree just like this note !!! xoxo !!!