: Barney spends the day playing laser tag with Robin’s father to bond with him. While they initially bond, they eventually end up on opposite teams and "at war" after an argument. Continuity and Cultural References
: Robin is desperate to find a locket she buried in Central Park when she was 14 years old, intending for it to be her "something old". She frantically digs holes near the carousel but cannot find it. How I Met Your Mother 8x23
: After finding the box empty, Robin interprets the loss and a sudden rainstorm as "signs" from the universe that she shouldn't marry Barney. Ted talks her out of it, insisting that she shouldn't rely on signs but on her own feelings. The episode ends with a tension-filled moment as Robin takes Ted's hand in the rain. : Barney spends the day playing laser tag
: Ted and Barney at one point pretend to be Ray Stantz and Peter Venkman from Ghostbusters . She frantically digs holes near the carousel but