Lily puts Karen (Laura Prepon) to the porch test and she fails miserably when she won't play bridge with their future old selves. She'd rather be reading a book of course.
In Lily's vision of the future in her porch test she pictures the incredibly annoying Karen (Laura Prepon) and Ted in the future and she still hates Karen.
Ted and his old college girlfriend, Karen (Laura Prepon) sit down to a nice meal as they come back into each others' lives. Ted looks a little less enthusiastic than the beautiful Karen does.
Ted introduces his old college girlfriend, Karen (guest star Laura Prepon) to the rest of the gang. Lily and Marshall, of course, know her from college and never really liked her.
A picture of Ted holding his girlfriend at the time, Karen (guest star Laura Prepon) in college. Can you imagine the size of the sandwiches he must have shared with her?
A picture of Ted hugging his girlfriend, Karen (guest star Laura Prepon) during their old college days as Lily looks on in disgust in this scene from the upcoming episode, "Sorry, Bro"
The album cover from Robin's popstar alter ego, Robin Sparkles' hit single, "Sandcastles in the Sand." Only How I Met Your Mother would release the cover for a fictional song on the show.
Lily jumps up to celebrate after the hot dog eating competition revealing her new belly. Now sure we all know this is because Alyson Hannigan is pregnant, but man that's funny!