Sarah Wright as Claire Alex Parton as Danny DakotaEva Amurri as ShellyRaquel Alessi as Roberta Katie Malia as Christy Jaime Tait
"The Playbook" is the eighth episode of the fifth season of the CBS situation comedy How I Met Your Mother and 96th episode overall. It originally aired November 16, 2009. The Playbook by Barney Stinson and Matt Kuhn was published on October 5, 2010.
Future Ted explains that the key to dating is self-confidence, which Barney had in spades, but usually that confidence was in a character. In the present, Barney is sitting in MaClaren's in a full scuba suit drinking scotch. Lily pulls aside a woman at the bar, warning her of Barney's intentions. The woman (Claire) sits down with the rest of the gang as they explain the events that lead up to that night.