Dan Jones explores the history of the Welsh capital's landmark, Cardiff Castle, and discovers more about the various incarnations over the centuries.
Margaret and Peter are reunited, but another obstacle stands in their way. Elizabeth is torn between her duty as Queen and her love for her sister.
The Rance family is engulfed in a firestorm of publicity; Father Tomas finds himself unexpectedly thrusted into the public spotlight, as his search leads him into a terrifying underbelly of the city.
Five-0 must free McGarrett's mother, Doris, when Catherine informs them that she was captured and is about to be executed after attempting to free Wo Fat's imprisoned father. Also, Chin loses his appeal to have Sara's adoption delayed, and she must move to Mexico.
A critical clue on Snake Island sends the team into the dangerous Paraguayan jungle, with more deadly predators than before. A historic artifact brings them closer to the treasure, but life-threatening encounters nearly end the expedition.
As tensions with Philip increase, Elizabeth spends time with her old friend Porchey. Churchill’s portrait is painted for his 80th birthday.
When dense smog cripples London for days and creates a serious health hazard, Churchill’s inaction leaves him vulnerable to his political enemies.
Riley skips out on helping Topanga at the bakery to stay home and binge-watch her favorite TV show.
Elizabeth and Philip go on an exhausting world journey. Margaret takes over some of her sister’s official duties and tries to liven things up.
Todd finally finds good gold at his new High Bar mine. Parker gives his foreman Rick his own operation and when Tony and Minnie decide to cut the dredge crew’s pay, a key crew member calls it quits.
Newlyweds are unnerved by a dangerous paranormal presence that they need to get rid of before their first child is born.
When a key witness in Danny's case is killed just before testifying, Erin angers Danny by enlisting Anthony to help him find the killer. Robert Lewis tries to force Frank to publicly support the Attorney General's investigation of the use of excessive force. Eddie and Jamie get the call for an attempted suicide.
Updated with bone-chilling bonus scenes and paranormal facts: The ghost of a tormented teen shatters the serenity of a young family shortly after they move into their first home.
Isak and Even spend time together and talk about their relationship. Isak has to answer to his friends for ditching Magnus' birthday that weekend. Isak and Eskild have a talk about homosexuality.
In order to continue living with Sheldon, Amy lies to him about repairs being made to her apartment and they host an "on location" episode of "Fun With Flags" in Penny’s apartment. Also, Leonard lets Penny decorate Sheldon’s old room after he learns that she has been secretly moving Leonard’s collectibles into storage.
Red directs the Task Force to track down an individual who provides new identities to criminals on the run. Meanwhile, as Alexander Kirk's medical condition worsens, Liz seeks guidance from Cooper on a crucial decision.
Christy considers giving up her dream of becoming a lawyer when Bonnie's ex-girlfriend, Jeanine, offers her a lucrative job in real estate. Also, Adam is very curious about Bonnie's past with women.
The arrival of a new consultant puts all of the doctors on edge, especially once she starts stepping on toes in the OR. Amelia and Owen bring their personal problems into the hospital, while April explores some uncharted territory.