Following big wins for the front runners on Super Tuesday, the other candidates come to terms with the results; both Democratic and Republican camps consider how to stop Donald Trump.

Juliette finds an alluring prospect for Noah; a terrifying event occurs; Noah must fight to make sense of what occurs.

A hopeful epiphany leads Cole on a journey to a horrific discovery; Noah questions his role in tragic events.

Noah and Anton visit Princeton, where Noah encounters an old friend; an immensely difficult day forces Cole and Luisa to re-examine their relationship; Helen gets a new perspective on life.

American foreign policy; President Trump's military response to the use of chemical weapons in Syria and its impact on Russian relations.

Vik decides it's time he started living for himself, but he may not be ready to face the consequences; Cole meets Nan, an old friend of his father's, who sends him on a journey to exorcise the

Alison and Ben dig into her past and begin confronting her fears; Cole's relationship with Alison is jeopardizing his marriage to Luisa.

Noah gets acquainted with his star, Sasha Mann; Helen mourns a tragic event; Sierra welcomes a new arrival; Joanie struggles with an upcoming birthday.

As passions flare, Alison and Noah encounter new difficulties at home; Alison's estranged mother visits; Noah is conflicted about Whitney's behavior.

Noah and Whitney travel to Montauk, N.Y. to begin planning the wedding; Noah gets a concerning call; armed with new information about her mother's death, Joanie confronts a stranger.

Pressures in Helen's life mount; Noah and Alison face a dire setback from a court order.

Noah wrestles with essential questions; Alison has doubts about a recent ambition; renewed interactions with the Lockhart brothers force Alison to face a distressing possibility.

Helen makes a long-overdue decision after a medical emergency; there is a shift in Noah and Alison's relationship.

Before a showdown in Wisconsin, candidates travel the state to pursue competing agendas; Kasich, Cruz and Sanders seek to secure their positions as spoilers.

Polls predict the differing outcomes; both campaigns make a case in "far-fetched battlegrounds"; to most, the race is either up for grabs or already decided.

Sen. Marco Rubio, Gov. Chris Christie, former Gov. Jeb Bush and Gov. John Kashich prepare for the New Hampshire primary.

Noah and Alison grow closer when they take a day trip together to Block Island to spend time away from their families.

Janelle turns to Carl for support; production for the movie commences; Sasha takes an interest in Helen.

Mark Halperin, John Heilemann and Mark McKinnon reflect on the first twelve weeks of the 2016 presidential race.

Foreign policy becomes a hot topic following the attacks in Brussels; Trump and Clinton prepare to square off, but must still prove their presidential mettle.

Helen goes to Joshua Tree in search of meaning; Noah and Anton begin an adventure with high hopes until an ominous phone call alters their course.

Hitting the road with some music.

While the nation celebrates Independence Day, Trump and Clinton engage in their own fireworks; Clinton's email scandal re-emerges; Trump has another faux-pas.

Out in the wilderness, the girls ride the crimson wave and plan a dark arts slumber party; Natalie and Misty tame a stallion; on Halloween night, Shauna parties like it's 1996.

Rubio gets trumped in Florida and high hopes are needed to pull off a win.

As Clinton and Trump prepare for their first debate, their campaigns target the swing states with an eye on Florida.

After spending a night out with his friend, Noah learns that there is more to Alison than he knows; Helen wants to make the most of the time in Montauk; Alison and Cole try to keep the Lockharts safe.

Helen's escape to Montauk exacerbates her guilt; Noah's world collapses, and he must process something horrific.

Noah's visit to Paris distracts Juliette; after a chance encounter, Noah gets the possibility of healing a broken relationship.

The Solloways return to Brooklyn; Cole confronts Alison when things hit close to home; Helen and Noah deal with an unexpected emergency.