Unpause

"Unpause" is the fifteenth episode of the ninth season of the CBS sitcom How I Met Your Mother, and the 199th episode overall. This is also the episode where Ted's future children's names are finally revealed; the daughter's name is Penny and the son is Luke.
Plot
In 2017, Ted's wife goes into labor during their stay at the Farhampton Inn, where they were enjoying their last weekend away before their new baby comes. Ted tells his wife that he hopes the baby arrives soon due to his mother's rule that "Nothing good happens after 2am". However, his wife says she doesn't believe the rule and they prepare to leave for the hospital.
Four years earlier at exactly 2:01am, 16 hours before the wedding, the gang has a last round of drinks before heading to bed. Marshall keeps ordering drinks to stall his inevitable confrontation with Lily over his new job and the plan to go to Italy. He also uses the opportunity to irritate Ted with the childhood...