While Adam tries to calm his affair with co-worker Sarah, he also finds himself in the somewhat awkward situation of having to masturbate into a small paper cup to assess his sperm count when Tina finds out she's still not pregnant. It's worth noting he does not do these things at the same time. Meanwhile, Karen goes on a blind date and Adam and Pete's 50th finds the gang heading to a posh manor. It goes swimmingly (it doesn't).