Megan and Casey, two college grads embarking on a three-month hike, confront irrevocable truths about their friendship.

As the semester kicks off, Jules questions Rue and Elliot's new friendship. While Cal hunts for answers, Nate makes a tough decision. The lines between fantasy and reality begin to blur as Kat ponders her relationship, and Maddy contemplates the decision to end hers.

Jon Stewart joins the Queens to share early memories of living in New York, and Phoebe and Jessica test Jon's pizza knowledge. Plus: comedians Michelle Buteau, Mark Normand and Baron Vaughn.

Phoebe and Jessica break down black hairstyles for Sarah Jessica Parker. Plus: comedians Aparna Nancherla, Rhea Butcher and Sheng Wang.

Phoebe shares her failed attempts to hook up with a famous celeb, and the Queens are joined onstage by Tituss Burgess, who talks about channelling Beyoncé. Plus: comedians John Early, Jackie Kashian and Kevin Barnett.

Phoebe and Jessica discuss their fashion inspirations, and are joined onstage by Uzo Aduba to talk about their nerdy obsessions. Plus: comedians Naomi Ekperigin, Al Jackson and Gary Gulman.

Phoebe and Jessica chat about fashion moments with Lupita Nyong'o, and the Queens challenge her to a braiding competition.

Paul is pressed by Gina to talk about his father. Meanwhile, Alex's father gives Paul something else to think over.

A recent setback allows Paul to encourage Mia to re-examine her contentious relationship with her mother.

Paul feels he must defend himself during a discussion of April's long-standing anxieties.

Neither Paul nor Oliver can wholly endorse the radical idea for the future of their family which Luke and Bess suggested.

Paul suggests to Walter that he leaves his corporate attitude in the past and embraces his vulnerable side.

Gina and Paul clash when it's suggested that she's not personally invested in her patients.

Mia changes her direction after her plan of coaxing Paul in a trap falls short.

April's revelation begins a discussion concerning her anger problems and her future plans.

Paul discusses Oliver's fears about his parents' needing to solve their problems.

Paul attempts to have Walter see his life beyond being a CEO and as a person.

A data breach at the White House prompts a search for a scapegoat when personal details are leaked about a previously anonymous girl. Catherine takes up an anti-bullying cause, and Selina hosts the annual Easter Egg Roll.

As part of her Middle East peace-talks tour, President Meyer makes an historic trip to Iran, where an American reporter is being detained. In D.C., Dan is wooed by lobbyist Sidney Purcell, while VP Doyle stands in for Meyer at a Rainbow Jersey event with a gay NBA star.

A major internal crisis looms as Selina prepares for her party's convention. Meanwhile, Amy is annoyed by the president's new adviser, who's helping Catherine with her First Daughter speech, and Dan taps Jonah and Richard to pose as political insiders in Washington DC.

Selina is annoyed by press reaction to her running mate's effortless charm and decides to attend a pancake-brunch fundraiser without any of her team. When news arrives that a hurricane is about to hit North Carolina, it looks like it could be good news for her image.

A dramatic incident in the White House leaves the president shaken but Tom James' comments at a Q&A make her day even worse. As Mike tries to sell the press on Selina's Families First bill, Dan and Amy find themselves at a lobbying event for the concrete industry.

With the Families First bill growing toxic, Gary sets up a meeting with Amy and Dan to urge them to lobby against it. Selina tries to keep working while ill in bed with the flu but it soon becomes clear that victory or defeat lies in the hands of just one congressman.

While Selina fields questions from the press, members of her staff testify before a congressional committee about whether the Families First vote was intentionally sabotaged - and who was really behind the data breach.

On election night, Selina and her staff find their nerves growing frayed as each state result is called.

The night after the election, Selina discovers a possible road to victory. Amy must figure out if she is back or not. Catherine kicks off a behind-the-scenes documentary project. Mike announces he and Wendy are adopting a baby from China. Dan considers a new career.

Amy, Dan, Jonah and Richard try to win the presidency for Selina. Back in D.C., Selina brings in respected Washington fixture Bob Bradley, aka "The Eagle", and, after nudging out Tom James on the newly created banking task force, meets billionaire banker Charlie Baird.

The group finds itself in a climactic showdown in their last-ditch, desperate attempt to root out El Coco.

After the media decides Maximum Studios has a "woman problem," Anita asks the crew to find ways to empower the film’s only female character.

Wendy finds herself at the center of a twisted love triangle. Lorraine pivots away from Hector. Danny and Ray hire a very odd banker.

Quinn takes a scuba class with Mark, who's struggling to process revelations about his late father. Shane enlists Armond to help plan a romantic evening for Rachel. Tanya leans on Belinda for support as she scatters her mother's ashes. Paula keeps a secret from Olivia.

San Francisco, 1878: Ah Sahm, a newly arrived Chinese immigrant with serious fighting skills, is introduced by a fixer named Chao to Chinatown's most ruthless tong, the Hop Wei. After impressing Young Jun, son of tong leader Father Jun, Ah Sahm is branded.