KBAB-LD

Cora's mother sweeps into Downton for Matthew and Mary's wedding, but with the couple's relationship under strain they might not make it to the altar.

Patience and Frankie are held hostage by an armed escaped prisoner claiming she is innocent; personal secrets start to emerge.

In the aftermath of the siege, Geordie fights for his life; Alphy tracks a fugitive through the countryside; the Grantchester family must face final questions of love, redemption and forgiveness.

Cora's mother sweeps into Downton for Matthew and Mary's wedding, but with the couple's relationship under strain they might not make it to the altar.

In the aftermath of the siege, Geordie fights for his life; Alphy tracks a fugitive through the countryside; the Grantchester family must face final questions of love, redemption and forgiveness.

Nature Cat gets his big break when director Quentin Bearantino sees how perfect he is for the role of Cowboy Kitty; Nature Cat and the gang bring Hugo's farm back to life.

Lyla, Luke and Everett look for buried car keys at the beach; Lyla and Everett write a Super Stu comic.

Muffy gets opera tickets; Arthur's mom gets a new job.

Agents talk about how gadgets helped them; someone with an odd problem visits headquarters.

Aviva, Martin, and Chris learn about agriculture in the animal world from Leafcutter ants in the Amazon rainforest.

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

Lyla and Everett coach Luke, Stu and Idris in soccer drills before their first practice; Liana and Louise decide to switch rooms with Lyla and Luke.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Prince Tuesday visits the school in his crossing guard uniform and helps the children practice safety rules; Daniel and Katerina drift too far from Mom while playing at the beach.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

Elmo and his friends prepare as a big storm approaches Sesame Street.

Zadie and JunJun find multiple new uses for Sparkle Pants; Zadie, Cece, Clyde and Carly must find a game they can all play together that is fun for everyone.

Harriett encourages Donkey to try using clay in art class; Donkey and Panda do kind things all day.

Rosie, Javi and Uncle Steve use landmarks to get to Calvin's bakery; Rosie, Iggy and Javi lose their Easter eggs.

Fluttering moths distract the kids when they try to sing their new Sunny Summer Song; the kids give away peaches to their friends in Animal Town.

Alma and Andre take a new friend, Beto, to a New York beach; Junior's sandcastle gets washed away by the tide.

Molly and Trini try to figure out how to relocate a stubborn goose; Mr. Patak's whistle disappears when he goes out of town.

Jerry Siegel and Joe Shuster encourage Brad to believe in the power of his imagination; Edmonia Lewis inspires Xavier to create a piece of art for his mom that represents their family.

A World War II WASP archive; a fire helmet and fire parade hat; a 1956-1968 Al Oerter Olympic collection.

A Formosan pangolin searches for a mate in a protected forest in Taiwan; a family of golden-headed lion tamarins travel to a strange new world in Brazil's Atlantic Forest.

The ruthless realm of some of the stealthiest and cleverest insects in the animal kingdom -- from praying mantises and aquatic insects to dragonflies.

Energy scientist Dan Kammen, Johns Hopkins; energy author and journalist Robert Bryce.

Seed plants and amniotes adapt to dry climates, helping them thrive on Pangea in the Permian Period.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

John visits Miami to find out why this city has become such a mecca for Latinos leaving their homeland, and to show how their culture and flair makes Miami a true slice of all things Latin within the U.S.

Topps uncut card sheets from 1973; a ring collection circa 1970; a 1967 Ram Kumar oil painting.

George Patton's gold World War I trench watch; a 1949 Charles Loloma pot; a 1944 Joseph Erlanger's Nobel Prize and diploma.