
Cate offers to drive Lux to social services; Lux says goodbye to Nate; Lux & Cate talk in the car & nearly get into an accident.
Cate tells Ryan she plans to take care of Lux, then asks him to marry her; Lux's birthday party.
Lux wanders the streets of Portland; Tracey lectures Nate on his lack of maturity; Ryan & Cate discuss the desire for motherhood.
Cate yells at Ryan for trying to propose; Nate introduces Lux to Tracey; Cate accepts.
Ryan leaves Cate to deal with Lux; Cate realizes her engagement ring is missing.
Cate asks Lux about her name; Cate admits the truth about Lux on the show; Nate picks up Lux to take her to school.
Tash tells Cate about her friendship with Lux; Cate & Nate agree to do whatever necessary to keep Lux.
Baze picks Lux up for school; Ryan recaps Cate's announcement about Lux on the radio.
Cate tells Lux that things aren't working & she's being the best mom she can be.
Ryan helps Cate shop for an outfit, then they make out in a change room.
Cate asks Baze about Lux; Drink-A-Date; Ryan tells Baze to start acting like a father.
Lux reads the rest of her letter to Math; Baze drops off the bong lamp & money for Lux; Ryan & Cate arrive home to find Lux asleep in her room.
Cate tells Lux she arranged for Bug's bail; Baze's dad stop by the bar for a beer.
Lux counts down the guy's churro eating contest; Baze suggests Lux befriend Jones the quarterback.
Lux asks Baze for the storeroom keys; Cate & Alice stop by Baze's bar.
Ryan & Cate's callers question them about their lives; Jamie encourages Baze to hit on a woman at a coffee shop.
Baze takes Trina back to his place, then Cate walks in on them making out.
Cate announces she & Ryan will be getting married on June 26th; Jamie invites Baze to a poker game as Baze hears Cate's announcement; Jones tries to give Lux a necklace; Lux tells Cate that Bug left.
Lux tells Bug where she took Jones; Cate confesses to Ryan that she kissed Baze; Bug tells Lux that she shouldn't be with him.
Baze is granted shared custody of Lux; Lux tells Cate she wasn't there for her.
Ryan tells Cate their relationship is over; Lux asks Cate to foster Tash.
Ryan & Cate argue over the best break-up song; Cate gives Lux rocky road ice cream as they talk about Bug; repeats as Lux moves into Baze's place; Cate binges on ice cream & wine; Baze comforts Lux.
Lux & Tash talk on the phone about their exes; Math advises Baze not to go so easy on Lux.
Cate collects all the stuff that reminds her of Ryan and hides it away; Ryan & Cate argue about sweat pants on the show.
Ashley explains how her fiance proposed to her; Cate & Ryan are called on stage.
Jones takes Lux to visit Tash; Ryan offers to help Cate with her dress.
Lux & Bug kiss; Math asks Cate if she wants to chaperone Lux's winter formal with him.
Ryan & Cate talk about eye contact as Lux rides a bicycle to school.
Jones & Lux arrive at the dance and see Math & Cate show up; Baze finds a condom in his apartment.
Bug shows up at the dance with flowers for Lux, and tells her he wants to be there for her; they dance.
Lux tells Cate she doesn't know if she can ever forgive her, then asks if she can move back in; Baze makes a deal with Bug; Cate & Ryan kiss.
Cate leaves an envelope for Lux; Cate asks Ryan to talk to Lux, then tells him she's changed.
Baze comments on how well Bug is doing at his job; Baze tells Abby that he can't see her anymore; Cate phones Abby for help with Lux.
Ryan & Cate go to Baze's bar & announce they're getting married in two weeks; Lux makes a toast to Cate & Ryan.
Kate & Ryan lie in bed while listening to their radio show; Abby move some of her stuff into Baze's room; Cate proposes to Ryan.
Lux tells Baze & Cate she's ready for them to offficially be her parents.
Ryan & Cate argue over wedding e-vites on their show; Baze debates whether he should go to the wedding & talks it over with Bug.
Cate tries planning her wedding menu while on the roadtrip; repeats as Baze, Lux & Cate sing along to the song on their drive home.
Math sings during his rehearsal dinner toast.
Lux tries to convince Baze to tell Cate how he feels; Baze's father shows up at the bar.
Preparations for the hearing to restore full, permanent custody of Lux to Cate & Baze.