OFFERED ONLY TO LEGAL RESIDENTS OF THE 50 UNITED STATES AND THE DISTRICT OF COLUMBIA ("U.S."), AGED 19 YEARS OR OLDER.

1. ELIGIBILITY: Open to legal U.S. residents who are 19 years of age or older at time of entry, who are Blue Square (Intermediate) level or better skiers, and who have Internet access as of February 18, 2007. Employees, officers and directors of Discovery Communications, Inc., ("Sponsor"), Mike Wiegele Helicopter Skiing, their subsidiaries, affiliates, TV production partners, advertising agencies, promotional suppliers, Promotion Mechanics, Inc. ("Contest Administrator"), and the immediate family members (spouses and parents, children and siblings and their spouses, regardless of where they live) or members of the same households (whether related or not) of such individuals (collectively, "Contest Entities") are not eligible. All applicable federal, state, and local rules apply. Void in Puerto Rico and where prohibited or restricted by law.

2. PROGRAM DESCRIPTION: The Discovery HD Theater "Powder 8" Contest ("Contest") provides an opportunity for entrants to submit an original statement describing why they should be chosen to go helicopter skiing in British Columbia. The Contest begins at 12:01 AM Eastern Time ("ET") on February 19, 2007 and ends at 11:59 PM ET on March 16, 2007 ("Contest Period").

3. TO SUBMIT AN ENTRY: Visit www.dhdt.com/powder8 to access the Contest entry page. Complete the online entry form being sure to include a statement of 250 words or less describing why you should be chosen to go helicopter skiing in British Columbia. Submit your entry so that it is received by Sponsor's server by 11:59 PM ET on March 16, 2007. You may enter as often as you wish, but each entry must be different, must meet all entry requirements and must be submitted separately. Entries must be completed in English.

By submitting an entry, you warrant and represent that your entry is your own original work created by you, is true and verifiable, has not been previously published, has not won a previous prize or award, that you own or otherwise control all of the rights to your entry materials and that your entry does not violate any law, regulation or any right of any third-party, including but not limited to rights of copyright, publicity and privacy. Submitting an entry that is copyrighted by another individual will make you responsible for any legal action the legal copyright holder might take against you.

Entrants grant the Sponsor all rights of ownership, reproduction, and use of entries for any purpose whatsoever without compensation or further permission, including but not limited to an irrevocable and perpetual, royalty-free, worldwide right, in all media (now known or later developed) to assign, use, publish, edit, adapt, modify, alter, reproduce, distribute, broadcast, display, copyright, create derivative works or otherwise exploit entries, for commercial or non-commercial use, and without compensation to the entrant. By entering the Contest, each entrant waives any and all rights he or she may have to the contest entry. To the extent entrant has any rights in the contest entry, the entrant assigns all such rights to the Sponsor by entering the Contest.

Entries may not defame or invade the rights of publicity or privacy of any person, living or deceased, or otherwise infringe upon a person's personal or proprietary rights. Submissions that are deemed by the judges in their sole discretion to be immoral, obscene, profane or not in keeping with Sponsor's image will be disqualified. Sponsor reserves the right in its sole discretion to disqualify any entry at any time which, in the Sponsor's reasonable opinion, endangers the safety or well being of any person or in the event it is determined that the entrant has not complied with these Official Rules. In addition to the Sponsors' right to do so at its discretion, the judges will also be instructed to disqualify any entry that describes dangerous conduct, stunts or tricks, conduct that could lead to physical injury, property damage or otherwise violates or is inconsistent with these Official Rules. Other than for winner notification, neither Sponsor, nor anyone acting on its behalf, will enter into any communication with any entrant regarding this Contest, nor will entries be acknowledged or returned.

4. JUDGING/DETERMINING WINNERS: Entries will be preliminarily judged by the Contest Administrator, an independent, qualified judging organization, based on the following criteria: originality (25%), relevance to Contest theme (25%), passion for skiing (25%), and clarity of expression (25%). The ten (10) entries that receive the highest cumulative scores will be forwarded to the Sponsor who will choose the Grand Prize winner based on which entrant, in the Sponsor's opinion, is best qualified to take part in the helicopter skiing Ultimate Powder Experience. In the case of a tie in the preliminary judging, the tie will be broken by the highest originality score. The potential Grand Prize winner will be contacted by phone and/or email on or about March 23, 2007 and must confirm compliance with eligibility criteria, his/her availability to travel to British Columbia on April 9–13, 2007, and his/her agreement to participate in the Elite Tour Heli-Skiing experience at Mike Wiegele Helicopter Skiing. If the potential Grand Prize winner is unreachable by phone or email, or if he/she declines the opportunity to participate in the Ultimate Powder Experience, or is unavailable on the dates specified for the trip to British Columbia, or fails to complete and return all requested forms by the specified date, or if he/she fails to comply with any of the stated requirements, then the prize will be forfeited and an alternate potential Grand Prize winner will be selected and notified, if time permits.

Potential winner will be required to sign an Affidavit of Eligibility, a Liability Release and a Publicity Release (where permitted by law), and return same, properly executed, by the date specified in the notification letter. If a potential winner is 19 or older, as is required for entry, but not of the age of majority in state of residence, prize will either be awarded in the name of parent or legal guardian, or parent or legal guardian must ratify and sign any and all documents required of winner. In addition, the winner will be required to provide written consent to be filmed prior to, during and immediately after the trip to British Columbia, and to permit the broadcast, publication, or other use of said film footage, in whole or in part, by Sponsor, and those acting on its behalf, for advertising or commercial purpose, worldwide without limitation and without additional compensation. The Sponsor will own solely and exclusively, without compensation to winner, the results and proceeds of the film footage hereunder (the "Materials") with the right for the full period of copyright, including all extensions and renewals thereof, and thereafter in perpetuity, throughout the world, to use and re-use all or any part of the Materials for the purpose of making and producing television programs and other works, and advertising, publicizing and exploiting the same, by all means and in all media, whether now known or hereafter devised, and to authorize others to do so. The winner further agrees that the Sponsor may elect, in its sole discretion, to not film the event, to not use the film footage, or to use only a portion of the film footage.

5. PRIZE: One Grand Prize will be awarded, consisting of an opportunity for the winner and one guest to participate in an Elite Tour Heli-Skiing experience at Mike Wiegele Helicopter Skiing in British Columbia, April 9-13, 2007. The prize consists of round trip air travel (commercial and charter) to Blue River, BC, from the major commercial airport closest to winner's residence (as determined by Sponsor); double-occupancy lodging accommodations for 5 days/4 nights; all meals; use of ski equipment; full use of spa facilities, sauna, whirlpool and fitness centre; 100,000 feet of Vertical Lift and the services of a professional guide. All other expenses are the winner's sole responsibility. Air carriers, hotels and other transportation selected by Sponsor. The Heli-Ski experience involves vigorous physical activities. Winner and guest (who must be at least a Blue Square [Intermediate] level skier) must be in good physical condition, must have the endurance for a long and demanding ski day, and must be able to easily ski in all kinds of snow conditions and in varied, challenging terrain, from the top of the mountain to the valley floor. Winner and guest may be required to submit a statement from a personal physician attesting to their fitness for this activity. Approximate retail value $12,330. Actual value will be determined by winner's residence and seasonal rates. Travel and accommodations are subject to availability and certain restrictions. Trip must be taken at time determined by Sponsor (April 9-13, 2007) or prize will be forfeited in its entirety. Winner and guest must travel on the same itinerary, have valid passports, and will be responsible for all necessary travel authorizations and for any travel insurance.

6. GENERAL: All taxes on prize and all expenses related to acceptance and use of the prize not specified are the sole responsibility of winner. By participating, entrants agree: [a] to these rules and decisions of Sponsor and Contest Administrator, which shall be final in all respects relating to the Contest; and [b] to release, discharge and hold harmless Contest Entities from any and all injuries, liability, losses and damages of any kind resulting from their participating in the Contest or their acceptance, use or misuse of a prize including, without limitation, personal injury, death and property damage, and claims based on publicity rights, copyright, trademark, defamation or invasion of privacy. Entrants agree to grant Sponsor: [a] all rights of ownership, reproduction and use of entry for any purpose whatsoever without compensation or further permission, including but not limited to an irrevocable and perpetual, royalty-fee, worldwide right, in all media (now known or later developed) to assign, use, publish, edit, adapt, modify, alter, reproduce, distribute, broadcast, display, copyright, create derivative works or otherwise exploit entries, for commercial or non-commercial use; and if a winner, [b] to permit Sweepstakes Entities to use his or her name, photograph, likeness, Contest entry, biographical information, voice, voice likeness, and city and state address for advertising, publicity and promotional purposes in all media, including but not limited to within Sponsor's website www.discovery.com, in perpetuity, without compensation (unless prohibited by law) and agree to execute specific consent to such use upon request. Contest Entities are not responsible for and shall not be liable for: [a] any telecast, cable or telephone malfunctions, human error, satellite transmission failures, or delayed telecasts or preemption of or the failure of a cable affiliate to televise Discovery Channel or any affiliated Sponsor network in all or any parts of the United States; [b] electronic, hardware or software program, network, Internet or computer malfunctions, failures, or difficulties of any kind, including without limitation, server malfunction or by any human error which may occur in the processing of entries; [c] failed, incomplete, garbled or delayed computer transmissions; [d] late, lost, misdirected or incomplete entries ; or [e] any condition caused by events beyond the control of the Sponsor that may cause the promotion to be disrupted or corrupted. Sponsor reserves the right in its sole discretion to cancel, terminate, modify or suspend the Contest or any portion thereof should viruses, bugs or other causes beyond the control of Sponsor corrupt the administration, security or proper play of the Contest, and limit entries to those submitted prior to the action taken, or to proceed in such a manner as may be deemed fair and equitable by Sponsor in its sole discretion and to award the prize from all eligible entries received prior to such action taking place. No prize transfer or cash redemption. No prize substitution, in whole or in part, except by Sponsor due to prize unavailability, safety or security considerations, or any other reason as solely determined by Sponsor in which case a prize of comparable or greater value will be awarded. CAUTION: ANY ATTEMPT BY AN ENTRANT TO DELIBERATELY DAMAGE ANY WEB SITE OR UNDERMINE THE LEGITIMATE OPERATION OF THE PROMOTION MAY BE A VIOLATION OF CRIMINAL AND CIVIL LAWS AND SHOULD SUCH AN ATTEMPT BE MADE, SPONSOR RESERVES THE RIGHT TO SEEK DAMAGES FROM ANY SUCH PERSON TO THE FULLEST EXTENT PERMITTED BY LAW. Internet entry must be made by the Entrant only at the authorized web site address of www.dhdt.com/powder8. Entries may not be made by any other individual or any entity, and/or originating at any other Internet website or e-mail address, including but not limited to commercial contest and sweepstakes subscription notification and/or entering service sites. Any person who enters by any of the methods described above will be disqualified. Use of any device to automate entry is prohibited. Sponsor reserves the right in its sole discretion to disqualify any entry at any time in the event it is determined that the Entrant has not complied with these Official Rules. This Contest is governed by the laws of the State of Maryland, with jurisdiction and venue in Montgomery County, Maryland, and all claims must be resolved in the courts of Montgomery County, Maryland.

7. WINNER LIST: To receive the Grand Prize winner's name, mail a self-addressed, stamped envelope to be received by April 30, 2007, to: Discovery HD Theater "Powder 8" Contest Winner List, PMI Station, PO Box 750, Southbury, CT 06488-0750.

Sponsor: Discovery Communications, Inc., One Discovery Place, Silver Spring, MD 20910.

Contest Administrator: Promotion Mechanics, Inc., 87 South Main Street, Newtown, CT 06470.

© 2007 Discovery Communications, Inc. Printed in USA. All rights reserved.