I Know What You Did Last Summer
part of I Know What You Did Last Summer

The matchmaking service from episode 7 finally matches Ted to his dream girl, but Ted realizes that Robin is the one for him. Lily secretly has an interview for an art fellowship in San Francisco. Barney has a feud with an office worker across the street.

Alex and Helen have just had sex for the first time, and the aftermath is awkward. Alex is newly divorced, and Helen's fiance recently died - yet her apartment is littered with giant photographs of him. Alex can't remember what's supposed to happen next, so Helen offers to call him a cab, then asks what he's thinking. Missing his kids, Alex starts bawling, so Helen picks up the phone and starts dialing the cab company.

Intro: The Simpsons (all dressed as characters from previous Treehouse of Horror episodes, save Lisa, who is an axe murder victim) watch Kang and Kodos's lame attempt at a Halloween variety show. I Know What You Diddily-Iddily Did - Marge accidentally runs over Ned Flanders and is haunted by claims that someone knows what she did, only to realize that Ned survived because he became a werewolf. Desperately Xeeking Xena - Bart and Lisa gain super powers after a freak accident at school and must save Lucy Lawless (dressed as Xena) from the Collector (Comic Book Guy). Life's A Glitch, Then You Die - When the Y2K bug causes everything electronic and computer generated in the world to go haywire, the family searches for a way out.