WGBH

Miranda Esmonde-White develops a practical six-point plan that focuses on gentle daily movement to keep the mind sharp and body active at any age.

David Attenborough explores London's Natural History Museum and meets creatures from the past, brought to life by CGI, including a giant eagle and colossal snake.

Human skeletal remains found in the basement of Ben Franklin's British residence may have been used for science.

The Neighborhood characters are afraid of a dinosaur; they are relieved to discover that it is only a Purple Panda in a costume; Lady Elaine learns that jokes should not hurt other people.

Lakewood Elementary students must share their school with rival students whose school gets flooded; the gang doesn't know what to do when the internet goes out.

The team tries to figure out how a gecko lizard climbs up surfaces and upside down.

The Hunters learn how temperatures can affect outdoor plants and gardens.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

Lotta is determined to show Skyler that she is more than just "headphone girl"; the new kid in school causes a hullabaloo on the playground.

Matthew and others go off to war, while some try to avoid it.

Downton has been turned into a convalescent home for wounded officers, and there is a lot to do; the arrival of the first patients has everyone scurrying.

Tensions flare between Isobel and Cora over the management of the convalescent home; Ethel's flirtation with Maj. Bryant lands her in more trouble than she could have anticipated.

Bates is taken aback when Vera threatens to expose old secrets which could bring down the Crawleys. Mary is the only one who can protect the family, but she pays a high price when she turns to Carlisle for help.

Isobel has plans for Downton to continue to help the war wounded in some way after Robert's announcement that the ceasefire will begin on Nov. 11.

Spanish flu reaches Downton, and desperate Thomas looks for a way to re-establish himself. Ethel faces a dilemma when the Bryants return with a heartbreaking proposition. Decisive, Anna forces Bates to think about their future.

Tensions arise as Downton Abbey hosts a lavish Christmas party.

When a photographer is found dead with a stake through his heart, Patience and DI Frankie Monroe seek a logical answer to the vampire-like mystery.

A drive-in fundraiser turns deadly when a sponsor is found murdered, and multiple suspects confess; as Alphy faces painful truths, Geordie grows jaded, Cathy clashes with Mrs. C and Leonard searches for purpose.

Matthew and others go off to war, while some try to avoid it.

A revue show highlighting 10 years of Celtic Thunder hits and Irish and Celtic fan favorites; songs featured include "Danny Boy," "Ireland's Call," and "Star of the County Down.".