Marshall and Lily try to figure out how to conceive a baby with the gender of their choice; Robin's perky new co-anchor irritates her.
Quest roles:
Virginia Williams(Claudia), Matt Boren(Stuart), Bill Fagerbakke(Marvin Eriksen), Suzie Plakson(Judy Eriksen), Laura Bell Bundy(Becky), Mikaela Hoover(Stacey), Payson Lewis(Morris), Ron Nicolosi(Mike), Ashwyn Bagga(Johnny), Bruce Merkle(Michael), Jadon Sand(Rob Greenberg)