Joan becomes convinced that she and Adam can't successfully be friends after the break-up. Adam takes off on a hike, but everyone is worried when he doesn't return and a storm hits. Friedman convinces Luke to try weed, but it doesn't go well.

Cast: Joe Mantegna, Mary Steenburgen, Amber Tamblyn, Jason Ritter, Michael Welch, Chris Marquette, Becky Wahlstrom, Michael Badalucco, J. Marvin Campbell, Shelly Cole, David Grammer, Aaron Himelstein, Kathryn Joosten, David Marciano, Don McManus