Billy and Julie come up with an entrepreneurial scheme to sell bottled water from the library's water fountain; Julie gets in trouble for a controversial tweet.

Julie seeks out an old high school crush and brings him to bed with her and Arthur; Billy finds a father figure in Denise's husband, Nate.

Billy hits it off with a new man, only to find out he's a `participator'; Julie's home life crumbles as Arthur cracks under the pressure of the PBS pledge drive.

Billy visits his very Jewish brother for Yom Kippur dinner; Julie attempts to befriend a veteran to prove to Marilyn's surrogate daughter that she's charitable.

Billy's boss is out of town, so Billy and Julie overhaul the café menu with children's cuisine at adult prices.

Billy and Julie prepare a portfolio for a writing job, but find it easier to procrastinate than write.