Ted and Victoria engage in the most hilarious verbal foreplay ever shown on TV; Lily and Marshall watch from the bathroom; Barney and Robin show why they are the shows greatest couple.
Marshall and Lily keep thinking they see Barney's Doppleganger which, they agreed in the last episode, will be the Universe's sign that it's time to start trying to have a baby. Robin says goodbye to Don. Best of all, Ted goes blond!
Barney and Ted battle to push the button to blow up the Arcadian; Barney and Robin battle against Ted reuniting with Zoey; Marshall battles against and anticipated stomach poisoning and we get some good dramatic news at the end.
Ted wants to go on a date without any internet background research. Marshall and Lily want to go into a delivery without any gender knowledge. Both get disrupted by Barney.
