Alice and Jimmy celebrate Tia's birthday. Liz's mother-in-law visits. Paul ponders his legacy.

When Derek's health takes a turn for the worse, Jimmy helps Liz cope. Meg comes clean with Paul. Gaby makes progress with Maya.

Jimmy and Meg unite over their love for Paul. Gaby considers her future with Derrick #2. Marisol pushes Sean and Alice out of their comfort zones.

Gaby invites Jimmy to speak to her class. When Derek ends up in the hospital, Liz has issues with their son. Paul has an important realization.

Jimmy and Liz show up for Brian and Charlie when Ava goes into labor. Sean reconnects with his ex Marisol.

The gang unites to support Paul during a health setback. Jimmy and Alice help Louis take a big step. Liz and Derek make a tough choice.

Jimmy struggles with empty nest syndrome and conflicted feelings about Alice's big decision. Paul confronts new Parkinson's difficulties.

Jimmy grapples with being an empty nester and feeling torn about Alice's major life choice. Paul faces fresh challenges with his Parkinson's.