John and Joan reveal a shocking secret they've kept from their kids for 35 years. Also, Greg quits his job after creating a public funding campaign for his own invention, Heather and Tim try to make up for missing Samantha's Student of the Month Ceremony at school, and Matt's plan to make a big announcement at his and Colleen's book party keeps getting delayed.
| Name | Type | Role | |
|---|---|---|---|
| Justin Adler | Writer | ||
| Jerry Lambert | Guest Star | ||
| Caroline Aaron | Guest Star | ||
| Susan Park | Guest Star | ||
| Ann Guilbert Guyer | Guest Star | ||
| Damian Gomez | Guest Star | ||
| Hunter King | Guest Star | ||
| Nora Dunn | Guest Star | ||
| Chad Lowe | Director |