The Playbook
S5, E8: Barney reverts back to his bachelor ways when he and Robin break up and is soon on the prowl looking for new women. Lily objects to his behaviour and tries to teach him a lesson.

S5, E8: Barney reverts back to his bachelor ways when he and Robin break up and is soon on the prowl looking for new women. Lily objects to his behaviour and tries to teach him a lesson.