Grace and Frankie put together a focus group to test their vibrator prototype, but things go awry. Robert and Sol audition for a play.

Jacob shares something with Frankie that upsets her. Everyone rallies around Robert when his mother dies. Mallory confides in Brianna.

Frankie shares what she discovered about Sheree to a skeptical Grace. Bud sends everyone on a scavenger hunt. Frankie makes a big decision.

Frankie reconnects with someone important from her past. Despite problems with her knee, Grace refuses to slow down. Robert tries to make amends.

Robert and Sol begin therapy. Grace and Frankie get a surprise when they bring gifts to a fan of their vibrators. Brianna's nemesis makes an offer.

Refusing to leave the beach house, Grace and Frankie get support from their ex-husbands -- who are having their own issues with an unexpected visitor.

While Frankie worries she's lost her authenticity, Grace frets about Frankie's health. Bud's first meeting with Allison's father goes downhill fast.

Grace takes extreme measures to keep up her hectic schedule. Sol and Frankie have a disagreement about Coyote. Frankie bonds with Robert over edibles.

Grace's insecurities flare at a lavish fundraiser, where Frankie gets swept up in a silent auction. Sol hosts a game night to distract a worried Robert.

Grace wants to leverage Jack's celebrity connections... and Sol and Robert realize they've met him before. Bud tries to prove he's over Jessica.

Grace's plan for a relaxing spa day backfires. Frankie tries to find Joan-Margaret a husband. Robert hosts a fundraiser to save the community theater.

The ladies don disguises and head to a casino to spy on Coyote. Brianna also pretends to be someone she's not to appease a potential investor.