A FANTASTIC JOURNEY TO UNWORLDLY PLACES

INSIDE PLANET EARTH REVEALS A HIDDEN WORLD OF NEW HORIZONS

World Premiere Special Airs Sunday, June 7, 2009, 9 PM (ET/PT) on Discovery Channel

(Silver Spring, Md) � Peeling the Earth back like an onion, Discovery Channel uses revolutionary computer graphics technology to expose in incredible detail our planet's entire interior, from the thin surface where we live to deep caverns, miles-thick layers of coal, gold and diamonds, and massive tectonic plates in an all-new special, INSIDE PLANET EARTH on Sunday, June 7th at 9:00 p.m. (ET/PT).

Below our rainforests, oceans and mountains are thousands of miles of inaccessible rock, coal, crusts and mantles, fudge-like mud, metal, diamonds and gold, vast caverns, searing heat, radiation and crushing pressure. In a fantastical but factual journey to the center of the Earth, INSIDE PLANET EARTH shows the many multifaceted components of the planet's construction, revealing an amazingly complex environment that supports the planet and all of life from magnificent mantle plumes 2,000 miles high as well as the searing heat and radiation of the planet's gravity-less core nearly 4,000 miles beneath our feet.

"Humans have explored the universe and even landed on the moon a quarter million miles away, yet our own planet remains largely unexplored or understood, especially beneath Earth's surface. INSIDE PLANET EARTH sheds much needed light on an unseen landscape," said John Ford, President and General Manager, Discovery Channel.

INSIDE PLANET EARTH displays the Earth's core as a moon-sized sphere of molten iron. It is the planet's great magnet, generating stability and an energy field that protects life from the lethal radiation of space. Or is it? Evidence suggests the magnetic field is experiencing significant instability and could even be in the early stages of shutting down. INSIDE PLANET EARTH also examines Mars and its history to suggest what Earth would be like if the magnetosphere catastrophically vanished.

For more information about INSIDE PLANET EARTH and to screen the special, visit: press.discovery.com.

About Discovery Channel

Discovery Channel (DSC) is dedicated to creating the highest quality non-fiction content that informs and entertains its consumers about the world in all its wonder, diversity and amazement. The network, which reaches 98.1 million viewers in the US, can be seen in over 170 countries, offering a signature mix of compelling, high-end production values and vivid cinematography across genres including, science and technology, exploration, adventure, history and in-depth, behind-the-scenes glimpses at the people, places and organizations that shape and share our world. For more information, please visit www.discovery.com.

About Discovery Communications

Discovery Communications (Nasdaq: DISCA, DISCB, DISCK) is the world's number one nonfiction media company reaching more than 1.5 billion cumulative subscribers in 170 countries. Discovery empowers people to explore their world and satisfy their curiosity through 100-plus worldwide networks, led by Discovery Channel, TLC, Animal Planet, Science Channel, Planet Green, Investigation Discovery and HD Theater, as well as leading consumer and educational products and services, and a diversified portfolio of digital media services including HowStuffWorks.com. For more information, please visit www.discoverycommunications.com.