The race continues in Kuala Lumpur, Malaysia. One racer's feet start bleeding during a Roadblock, while another participant suffers a meltdown during a difficult Detour.

Marge invites Grampa and two other octogenarians to live at the Simpsons' house after the Retirement Castle is closed for health violations, but she quickly becomes frustrated with Homer when he starts embracing the "old person lifestyle".

Meanwhile, at Springfield Elementary, Bart defends Nelson's affinity for hand-me-down underwear, leading Nelson to befriend Bart

Emma arrives in Storybrooke with Henry and reunites with her friends and family, only to discover that no one remembers how they were transported back - or the past year they had spent back in Fairy Tale Land. But Emma is sure that someone in town is responsible for this new curse and teams up with Regina in an attempt to uncover their identity. Meanwhile, in the Fairy Tale Land that was during the past year, Regina, with the aid of Robin Hood, attempts to break into her castle.

Tina isn't invited to her classmate Tammy's Bat Mitzvah, but ends up at the party anyway, because Bob and the family were hired to cater. Despite the invite snub, Tina is excited to scope out the BFOS (boys from other schools). Things go awry and Louise and Tammy end up missing, so, to her total delight, Tina is left center stage.

The Langstons, especially Sheriff Fred, are forced to confront secrets from their past they'd rather leave buried when Bellamy pushes to have Jacob's tomb exhumed. Maggie agrees to help Bellamy in his investigation, and Pastor Tom reaches out to Jacob, his childhood friend. The Richards family adjusts to Caleb's return, the second for Arcadia. But unlike Jacob, Caleb claims he has no memory of his death.

On the run and in desperate need of money, Tate takes Bo to Atlantic City, where she instantly bonds with a struggling mother and her sick child. The involvement of the FBI complicates Skouras' efforts to covertly recover Bo, while Winter and Channing work to stay one step ahead.

Host Neil deGrasse Tyson is on a voyage to explore the relatedness of all livings things and the possible evolution of life in the cosmos. Go on a journey to discover how artificial selection turned the wolf into canine breeds and how natural selection sculpted the complex human eye.

Later, Tyson visits the grand Hall of Extinction, a monument to all the broken branches on the tree of life. Retrace the story of life on Earth and the unbroken thread that stretches from the first one-celled organisms to human life.

A members-only bar in Kansas is threatened by a raccoon infestation.

Roger comes up with a plan to help Steve date an attractive girl (Ellie Kemper) at school; Francine and Stan try to thwart Mark Cuban's evil plan by emulating "Charlie's Angels".

Peter grows frustrated when players on opposing teams continue to thank God after defeating his beloved New England Patriots football team, so he and the guys embark on a global quest to find God and ask Him to stop interfering with the outcome of professional football games.

When Alicia is asked to be the keynote speaker at the American Bar Association conference in New York City, she looks to her past for inspiration. Meanwhile, the competition with Diane and Will continues as Alicia and Cary battle to align with a powerful New York lawyer. Also, Will turns to an old acquaintance when it becomes clear that Nelson Dubeck's investigation into possible voter fraud isn't going away.

After establishing a new shelter, the group considers things returning to the way they used to be.

Carl connects with a girl in detention; Lip and Amanda grow closer; Sheila returns with big plans; Fiona searches for a job; Mickey spends time with Ian.

Kiera risks everything to stop Alec from altering history in his quest to save Emily, but can the mysterious group Kiera aligned herself with be trusted?.

In Washington, Rygaard's quest for king of the mountain hits the skids when the crew nearly topples the yarder. Down the road, the Oakes crew capitalizes on their sidelined rivals and one team member learns first hand a drastic remedy for a toothache in the brush. In the Bayou, while trying to bring in a land-locked monster cypress, Shelby pushes his boat to the limit. On Alaska's Kupreanof Island, Joe returns, determined to whip the crew back into shape. And down in Florida, Chapman races against a lightning storm to find river gold, while the Dreadknots conspire with a Chapman enemy to secure their lead.

Yvette Nicole Brown, CM Punk and Melissa McBride discuss the episode "The Grove".

It's field trip day for the students of Ballard High School, a place that educates the children of Washington, D.C'.s elite: top-of-their-industry CEOs, international diplomats, political power players and even the president's son. But when their bus is ambushed on a secluded rural road, the teenagers and their chaperones are taken, igniting a national crisis. The country's most powerful parents are now at the mercy of one vengeful mastermind, and with nowhere to turn and no one to trust, this unthinkable scenario grows from the select families at risk to an entire nation at stake.

Two survivalists journey to the most hostile environment on the planet to take on the Amazon without modern conveniences or clothing. Battling piranhas, jaguars and mosquitoes, can they survive the unsurvivable?

Jane and Fischer investigate a murder at an oil fracking site, while Rigsby and Van Pelt travel to Austin to help investigate suspects in the string of attacks on former CBI team members.

As Emily's blackouts grow increasingly violent, her only hope lies with the person she betrayed most, while Victoria makes a drastic move to deal with someone from her past.

Marty and the Pod accompany Lukas on a tour through his old neighborhood; Monica seeks help from Kaan and Associates on a new food product; Lex embarrasses Roscoe.

Hannah and Elijah have dinner with Patti LuPone; Jessa looks for a job; Hannah, Shoshanna and Elijah attend Marnie's performance.

The guys have the opportunity to buy a replica of the '66 Batcycle; a collection of Marvel fan magazines from the '70s.

Joan fights the hospital 'boys club' for her right to complete her medical degree. Johnny is arrested after an anti-war protest, while Shirley goes into premature labour. Annie gets the opportunity of a lifetime at a Kings Cross nightclub.

Yoda is deeply unsettled when he hears a voice from beyond the grave: the voice of Qui-Gon Jinn. Knowing that it is impossible for a Jedi to retain his identity after death, the Jedi Council begins to worry that Yoda may be corrupted by the influence of the dark side. Determined to find answers, Yoda escapes the Jedi Temple to follow the disembodied voice.

It is 60 years since a British doctor first made the link between smoking and lung cancer, and now it seems we may finally be starting to win the battle against nature's most vicious disease.

Tiff and Jason find out who makes autobahn best storming executive express. Jonny conducts a jumbo-sized test of the brand new Range Rover Sport. Meanwhile, the team find out if the new Seat Leon is the best sporty hatchback you can currently buy.

When an anxious solicitor turns up on the doorstep of Shoe Lane, Billy knows just who he needs. Dani's nephew is fighting extradition to the US on charges of terrorism and despite Clive's warnings Martha cannot let the system swallow up a young man without any firm evidence. Up against the might of the US government, Martha must use all her skills to save Rashid; even if he seems reluctant to help himself. Is Rashid as innocent as she believes and what are the US and UK security services determined to keep hidden? When Clive accepts a privileged position in the case his fears for Martha increase and their loyalties and beliefs are put to the test. Martha cannot forgive him for his involvement which threatens to leave both their professional and personal relationship in tatters. Elsewhere, Amy struggles to cope, CW finds herself out of her depth in court and Martha is shocked when a figure from her past arrives in Shoe Lane.

There might be love be in the air after Martin's new classmate and neighbour Majella manages to catch his eye. Father Linehan plans a stag do for Dessie that will be remembered for a long time.

Jimmy Carr hosts the topical comedy panel show, with team captains Jon Richardson and Sean Lock and celebrity guests Jo Brand, Ronan Keating, Krishnan Guru-Murthy and James Acaster.

Rae wants to be treated like an adult as she pushes the boundaries with her parents. After she begins to spend quite a bit of time with a group of older boys that Chloe has befriended, things turn nasty and Rae thinks about whether adulthood is really everything that it is supposed up to be.

Finn finds the hero Billy's bucket list and decides to complete the unfinished items as a final tribute.

An electric guitar signed by a rock star must be replaced, so Mordecai, Rigby and Benson must find a replacement or Benson will be fired.