Bran trains with the Three-Eyed Raven. In King's Landing, Jaime advises Tommen. Tyrion demands good news, but has to make his own. At Castle Black, the Night's Watch stands behind Thorne. Ramsay Bolton proposes a plan, and Balon Greyjoy entertains other proposals.

U.S. President Franklin D. Roosevelt's struggle with polio, his discovery of the Warm Springs, and his work to turn it into a centre for the aid of polio victims.

Charlotte falls for a widower whom she meets at a funeral, whilst Carrie mends some fences with Mr Big. Meanwhile, Samantha makes the mistake of trying to seduce a celebutante's husband, and Miranda has panic attacks after buying her own place.

Carrie officially gets back with Big, whilst Charlotte is intrigued by the "Power Lesbians" - a group of well dressed and successful gay women. Meanwhile, Miranda competes with a boyfriend's adult films, and Samantha gets a "lightning bolt" from her personal trainer.

At Castle Black, Thorne defends his treason while Edd and Davos defend themselves. Sansa and Theon race the cold and the hounds. Cersei sees her daughter again.

Bran trains with the Three-Eyed Raven. In King's Landing, Jaime advises Tommen. Tyrion demands good news, but has to make his own. At Castle Black, the Night's Watch stands behind Thorne. Ramsay Bolton proposes a plan, and Balon Greyjoy entertains other proposals.

In her mandated therapy, Mare opens up about her family's history with mental health struggles. Lori tries to get to the bottom of her son's outburst at school, and later, Mare meets with a semi-retired source to help find a possible connection to her three cases.

Jemaine starts dating an Australian, to Bret's dismay and inconvenience.

Bret and Jemaine both fall for a woman whose missing dog has epilepsy, triggering a duel, a canine benefit, and a couple of new tunes.

Charlotte falls for a widower whom she meets at a funeral, whilst Carrie mends some fences with Mr Big. Meanwhile, Samantha makes the mistake of trying to seduce a celebutante's husband, and Miranda has panic attacks after buying her own place.

Carrie officially gets back with Big, whilst Charlotte is intrigued by the "Power Lesbians" - a group of well dressed and successful gay women. Meanwhile, Miranda competes with a boyfriend's adult films, and Samantha gets a "lightning bolt" from her personal trainer.

Furio resigns from the crew and returns to Italy. Paulie tries to prove his loyalty to the Soprano family, but his burglary scheme ends on a violent note. Tony's feud with New York begins to hurt financially, but Johnny Sack has a proposal that may solve their problems.

Tony and Johnny Sack prepare to move against Carmine, but Tony second-guesses the deal and considers another option. Junior finds his legal worries are over; Christopher returns clean and sober from rehab; Carmela reaches breaking point and throws Tony out of the home.

In her mandated therapy, Mare opens up about her family's history with mental health struggles. Lori tries to get to the bottom of her son's outburst at school, and later, Mare meets with a semi-retired source to help find a possible connection to her three cases.

At Castle Black, Thorne defends his treason while Edd and Davos defend themselves. Sansa and Theon race the cold and the hounds. Cersei sees her daughter again.

Section 20's Samuel Wyatt, Thomas "Mac" McAllister and Gracie Novin are reunited for a dangerous mission in Malaysia after a Russian plane with precious cargo crashes under suspicious circumstances.

Section 20 forges an uneasy alliance with Zarkova in hopes of tracking down a stolen nuclear warhead, but find their efforts undermined from within.

Temple Grandin, a woman with Asperger's Syndrome who became an expert in the humane livestock handling industry and today is a professor at Colorado State University.

Foiled by the White House, Murray arranges a presidential meeting for the visiting Prime Minister of New Zealand. A tribute gig ends with Jemaine getting mixed up with an Art Garfunkel fanatic.

Trying to look cool for a gig at the Grand Opening of New York's one-block New Zealand enclave, the Conchords end up getting hooked on hair gel.

Miranda's interior decorator and her friend from London fall in love at first sight and, much to their dismay, invite the girls to be part of their wedding.

Whilst Carrie and Big continue their new relationship, Samantha begins seeing a 72-year-old millionaire, and Miranda hooks up with a nice bartender.

Tony, now separated from Carmela, takes a romantic interest in Dr. Melfi. Johnny Sack sees an opportunity for advancement when Carmine suffers a stroke, while new parolees readjust to life on the outside and Janice adjusts to married life with Bobby.

Tony throws a party for cousin Tony Blundetto who is released on parole. The FBI continues to pressure Adriana. Carmine's passing leaves the field wide open for Johnny Sack, but Little Carmine has other ideas. Tony smells a rat and leaves a clear message for the Feds.

After a heroic rescue lands her in the hospital, Mare awakes to the unshakeable pain of losing a friend. Then, given a second chance by Chief Carter, Mare re-evaluates old suspects, which leads to a shocking clue.

Section 20's search for the missing nuclear warhead leads them to India, where a powerful woman with a vendetta is linked to the weapon's heist.

Desperate to locate a pair of "nuclear suitcases", Section 20 leans on a corrupt lawyer - and on Zarkova - to crack an encryption code and lead them to a rendezvous with Vartak and Gopan.