DISCOVERY CHANNEL CELEBRATES THE HOLIDAYS WITH ALL-DAY MARATHONS OF FAN FAVORITES

-- World Premiere of 2010 PUNKIN CHUNKIN on Thanksgiving Day at 8PM --

(Silver Spring, Md.) - Discovery fans can get energized this holiday season by tuning in to Discovery Channel on Thanksgiving, Christmas and New Year's for some of their favorite programming.

Starting at 9AM ET/PT on Thanksgiving, there's an all-day marathon of MYTHBUSTERS, the Emmy(R)-nominated series that uses science to prove or disprove myths and urban legends. Immediately following, at 8PM ET/PT, Discovery Channel will feature the smashing excitement of PUNKIN CHUNKIN, hosted this year by MYTHBUSTERS' Adam Savage and Jamie Hyneman. Returning for its third year of high-flying, nail-biting and explosive competition, viewers will watch teams go head to head to launch their pumpkins the furthest. This year marks the 25th anniversary of Delaware's annual "Punkin Chunkin" competition. To see a promo for the 2010 PUNKIN CHUNKIN, go to: http://www.youtube.com/watch?v=7VrS5hhEgz0.

On Christmas Eve and New Year's Eve, Discovery Channel's Bear Grylls and Mike Rowe bring viewers the "Best of Discovery" with episodes of MAN VS. WILD, DIRTY JOBS and DEADLIEST CATCH. Newcomers Paul Brown and Sam Calagione will also be on screen with episodes of AUCTION KINGS and BREW MASTERS.

Then on Christmas Day and New Year's Day, yet more myths are busted with two additional marathons of MYTHBUSTERS.

Below is the holiday programming schedule. All times are in ET/PT:

Thanksgiving:

Thursday, November 25 MYTHBUSTERS marathon 9AM - 8PM

PUNKIN CHUNKIN premiere 8PM - 10PM

Christmas:

Friday, December 24 "Best of Discovery" 9AM - 3AM

Saturday, December 25 MYTHBUSTERS marathon 9AM - 3AM

New Year's:

Friday, December 31 "Best of Discovery" 9AM - 3AM

Saturday, January 1 MYTHBUSTERS marathon 9AM - 3AM

About Discovery Channel

Discovery Channel 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 is distributed to 100.1 million U.S. homes, can be seen in over 180 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 over 180 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, Investigation Discovery, Planet Green 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.