Everyone pitches in to prepare for Elena's quinceañera. While rehearsing their father-daughter dance, Elena reveals a truth about herself to her dad.

Feeling like she's finally got her life together, Penelope unwisely stops taking her antidepressants so she doesn't have to tell Max she's on them.

A medical emergency brings bedside visits, admissions of regret, moments of realization, declarations of love and and out-of-body experience.

Rain ruins Valentine's Day plans, causing more than one couple to have their first fight. Schneider tries to hide his wealthy background from Avery.

Penelope feels hurt after seeing an item on her mom's "bouquet list" that's about her. Dr. B finds the key to teaching a struggling Elena how to drive.

When Penelope has anxiety attacks, her support group helps her figure out what's triggering her, how to cope and why she's not telling her kids.

Schneider makes a big decision in order to please his visiting father -- at the expense of Penelope's family. Lydia finds Alex's confiscated pot.

When her ex-husband introduces the family to his new girlfriend, Penelope feels unexpectedly resentful and comes to a realization about Mateo.

After putting Alex in a difficult position, Schneider gets tough love from Penelope. Dr. B consults Lydia's bouquet list for "non-iversary" gift ideas.

After Alex catches Penelope in a compromising position, Penelope is motivated to talk to Alex about healthy human sexuality, while defending herself against Lydia's old-school judgments.

When Penelope finds porn on Alex's laptop, she struggles to talk to him about sex, but their reluctant conversation leads to a surprising discovery.

Elena hides her grandmother's high heels. Penelope starts to see a male friend in a new way. Schneider meets a kindred spirit at the school auction.

Penelope's furtive date at home with Max is interrupted when a neighborhood lockdown brings the rest of the family back early.

When Penelope discovers Alex's secret Instagram account, his crass posts spark an intense family discussion about consent and harassment.

Penelope tells her family she has a date and Lydia says she's going to church, but each secretly goes elsewhere. Meanwhile, Elena tests an attraction.

Although she wants to be accepting and open-minded, Penelope feels weird about Elena's revelation. Seeking advice, she makes an unexpected connection.

Penelope worries about changes she sees in Alex, who gets into trouble at school. Elena wonders if others are misidentifying her based on her appearance.

Penelope recalls Elena's birth in 2001, and how an unexpected turn of events drastically changed the life plans she and her husband had made.

Lydia and Schneider take their U.S. citizenship tests. Penelope wonders if she'd be willing to have another child to fulfill Max's wish to be a dad.

When a supermoon appears in the night sky, all the Alvarezes and their significant others discover an elaborate romantic setting fit for a marriage proposal.

Lydia grows suspicious of Elena and Carmen's intense relationship. Penelope later discovers that the inseparable friends are keeping a big secret.

Elena gets a congratulatory letter that leaves a bitter taste in her mouth. For a school project, Alex interviews Lydia, who reveals a family secret.

Lydia gives Elena advice on approaching her crush. After running into a hunky Army buddy who's also single, Penelope rethinks her dating rules.

Lydia learns that Dr. Berkowitz is going to the opera without her. When Schneider asks if she and Max are exclusive, Penelope realizes it's time for a talk.

At the kids' school dance, Elena tries to appear popular in front of Syd, and chaperones Penelope and Max reach a milestone in their relationship.