Holly Robinson Peete guest stars as a close friend of Katie (Katy Mixon), who is overjoyed when the woman moves to Westport, in the new episode "Mother's Little Helper." As Katie goes into overdrive introducing the newcomer to others, the outcome may prove to be disappointing. Taylor (Meg Donnelly) is surprised to learn what Greg (Diedrich Bader) has been hiding. Giselle Eisenberg and Daniel DiMaggio also star.