Marshall and Lily discover their trouble finding a nanny is a result of one of Barney's schemes; Ted and Robin argue over whose relationship is more serious.
Caroline and Max begin working part-time at a fancy gym's juice bar after the shower in their apartment breaks. They make the most of their free use of the gym's locker room.
Ken attempts to bond with Molly by taking her and her friends to an Emblem3 concert; Dave faces his fear of needles, when he needs a tetanus shot after cutting his foot at a birthday party.
Clark, Emma and Mason try to help Jack create a profile of himself for an online dating app after his first attempt is disastrous.