"Dr. Quinn, medicine woman: the movie" finds Dr. Mike, Sully, and a posse of townsfolk traveling down to Mexico to rescue a kidnapped Katie. In "Dr. Quinn: the heart within", Mike and Sully travel to Boston to celebrate Colleen's graduation from Harvard Medical School, only to find Dr. Mike's mother terminally ill and Sully targeted for assassination by a corrupt government official.

Contains all fifty-two episodes that follow Ms. Frizzle and her class on their science adventures aboard the magic school bus.

Contains all fifty-two episodes that follow Ms. Frizzle and her class on their science adventures aboard the magic school bus.

Asteroid apocalypse: Computer animations, models, and re-creations examine how an impact on the American west coast could spell disaster for the nation. Atlantis apocalypse: Computer animations, models, and re-creations examine how another eruption of the Santorini Volcano, like the one 3,500 years ago, could affect people today. American volcano: Computer animations, models, and re-creations examine what would happen if Mt. Rainier erupted like...

A fascinating feature-length documentary, 'Titanic at 100' will take viewers on a journey to the bottom of the North Atlantic where they will investigate the remains of the most famous ship in history. Produced in conjunction with the Woods Hole Oceanographic Institute and RMS Titanic, Inc., this special provides the most authoritative look at the shipwreck, and is timed to the 100th anniversary of the sinking.

In-depth portrait of India's most colorful, violent, and majestic era. Though they conquered their kingdom with crushing brutality, the Mughals were also brilliant technological innovators and masters of art and architecture.

Examines the origin and geological evolution of the earth, focusing on the various cataclysmic transformations that occurred through time.

General William Tecumseh Sherman's total war strategy against the south helped end the Civil War and forever changed the nation. Sherman's brutal and effective campaign, which not only saved the Lincoln presidency, the Union, and thousands of lives, but also made Sherman one of the most hated and controversial figures in American history. In November 1864, Sherman and an army of 60,000 troops began their march from Atlanta to Savannah, and then up...

Presents the story of Albert Einstein and his fifteen-year battle to prove his Theory of General Relativity amid the violence of war and his tumultuous personal life.

"It's a year that many have prophesied will bring a catastrophic end to life as we know it. Whatever is in store, many believe that 2012 will mark a major shift in the history of our planet. A detailed, historical investigation of this chilling prophecy that casts the doomsday warning in a frighteningly modern context ... December 21, 2012 is bearing down on us with alarming speed. Whether or not we are able to collectively heed the warnings and affect...