The friends look back at how Ted, Robin, and Barney navigated their complicated history on How I Met Your Mother. "Platonish" is the ninth episode of the show's ninth seaosn.
Lily worries about what will become of her and Marshall if she takes a job in Rome on How I Met Your Mother. "Romeward Bound" is the 21st episode of the show's eighth season.
Marshall and Lily run into an old friend who is a bit of an oddball on How I Met Your Mother. "The Final Page, Part One" is the 11th episode of the show's eighth season.
Lily & Marshall realize Ted may have ulterior motives for being Marvin's nanny on How I Met Your Mother. "Lobster Crawl" is the ninth episode of the show's eighth season.
Marshall has to go up against an old law school friend during his biggest case on How I Met Your Mother. "Twelve Horny Women" is the eighth episode of the show's eighth season.