" The Drunk Train " (Season 7, Episode 16) is widely viewed as a major turning point for How I Met Your Mother , receiving generally positive scores from critics—including an from IGN and a B from The A.V. Club . While it delivers classic comedy through Barney and Ted's exploits on the Long Island Rail Road, it is more often noted for its heavy emotional stakes and for officially dissolving the relationship between Robin and Kevin. Key Plot Developments
Watch how Ted and Barney use complex 'drunk train math' to try and crack the code of the LIRR: Episode Performance & Soundtrack [S7E16] The Drunk Train
: Barney meets Quinn (Becki Newton), a woman who sees through his usual "plays." By the end of the episode, it is revealed to the audience (but not yet Barney) that she is "Karma," a stripper at the Lusty Leopard. " The Drunk Train " (Season 7, Episode