Diane Sellers

Alan has to meet with the school principal to keep Jake from getting expelled, leaving Charlie to watch over the chiropractic office for the day.

Penny's consistently optimistic mother arrives, inspiring the gang; Penny discovers her mum is hiding unhappy news.

Jeff learns of a female colleague's desire to have an affair with him, and Russell embarks upon a quest to retrieve his phone from an apartment in which he had a one-night stand.

Jeff is surprised to learn the sexual orientation of his new friend, and Russell fears he might be dating a close relative.

Jeff has a point to prove to Audrey, and invites her to watch his softball game to convince her he isn't old yet.

Jeff makes a bad first impression with the head of the co-op board of their apartment building, after Jeff and Audrey offer to recommend them.