Mass.) WGBH (Television station : Boston

An entertaining and affectionate search for the secrets of dog variation and behavior. Visit state-of-the-art dog labs where the latest in genetic mapping and even cloning are in the air. Explore the bond we share with these remarkable animals.

Detective Superintendent Jane Tennison finds herself searching for Sallie Sturdy, a 14-year-old girl presumed murdered. Facing the hospitalization of her father, descending deeper into alcoholism, and resisting pressure to retire quietly, Tennison vows to bring Sallie's killer to justice before ending her career. She forges a surprising friendship with Penny Philips, Sallie's best friend.

There's lots of things to do during the day, but did you know that there's nearly as much to do at night? How's a curious monkey supposed to sleep? Join George as he discovers the world of nighttime sights and sounds.

First, George accidentally frees some of the animals at the zoo. Then, George discovers that different animals make different tracks. Next, George learns that all living things behave in different ways. Then, George designs and builds the perfect pigeon perch. Next, George must gather and analyze evidence to prove that Gnocchi has been wrongfully accused. Then, George realizes that dogs come in all different shapes and sizes. Next, George learns a...

The good sport: When the Athlete of the Year award doesn't go to Francine, she makes no effort to hide her hurt feelings from Jenna, the recipient. Michelle Kwan guest stars to teach Francine about being a good sport. Muffy's soccer shocker: Muffy's proud that her dad is the new soccer coach, until he exhausts the team with demanding drills. Even if Muffy survives playing goalie in the big game, will the team survive her dad? Francine Frensky, Olympic...

What does Martha think about going to school? As soon as she eats alphabet soup kids are going to hear plenty! Join Martha and her family as they discover hundreds of new words to teach children.

Examines the natural forces that formed the continent of North American. Recounts ways in which the continent's unique geology affected indigenous biology, human evolution, and civilizaton.

George is so excited about spring that he wants Hundley to have Spring Fever too. But even blooming flowers, baby animals and canoe rides cannot make Hundley love spring. Even worse, Hundley gets lost in the country. Searching for his lost friend, George accidentally launches the hot air balloon rally and sails over the countryside. Luckily he manages to grab Hundley from a hilltop along the way. Together they return triumphantly to the city.

"Travel to a top-secret location high in the White Mountains of California and explore our stunning past through the life of a 26-foot bristlecone pine that quietly holds the title of 'Oldest living thing on earth, ' and is known as the Methuselah Tree"--Container.