Jason Segel, Josh Radnor, Cobie Smulders, Neil Patrick Harris, Alyson Hannigan, Lyndsy Fonseca, David Henrie, Marshall Manesh, Ashley Williams
Marshall becomes predictably depressed and pathetic after the breakup. And it only gets worse when he discovers that Lily may be back in town.
Barney gets Marshall back out on the singles market, but Barney keeps taking all the prospects from him. And Ted's convinced that Lily is back because she wants Marshall back, even though she says she's never been better.
Ted discovers that his parents are keeping a secret from him after his dad acts as Barney's wingman, and Marshall and Lily intentionally try to get each other sexually aroused........