VOID WHERE PROHIBITED. NO PURCHASE NECESSARY TO ENTER OR WIN.

A PURCHASE WILL NOT INCREASE YOUR CHANCES OF WINNING.

OFFERED ONLY TO LEGAL RESIDENTS OF THE 50 UNITED STATES AND THE DISTRICT OF COLUMBIA, AGED 18 YEARS OR OLDER.

1. ELIGIBILITY: Open to legal residents of the 50 United States and the District of Columbia who are 18 years of age or older and have Internet access as of June 2, 2005. Employees, officers and directors of Discovery Communications, Inc. ("Sponsor"), its promotional partner Xerox Corporation, Promotion Mechanics, Inc. ("Promotion Administrator"), their parent companies, subsidiaries, affiliates, TV production partners, advertising agencies, promotional suppliers 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 employees, officers and directors (collectively, "Sweepstakes Entities") are not eligible. All applicable federal, state, and local rules apply. Void in Puerto Rico and where prohibited or restricted by law.

2. TO ENTER: The "Xerox Color" Sweepstakes ("Sweepstakes") begins at 12:01 AM Eastern Time ("ET") on June 3, 2005 and ends at 11:59 PM on July 3, 2005. To enter, visit http://dsc.discovery.com/sweepstakes/xerox/color/, click on the "Xerox Color" Sweepstakes button and access the sweepstakes entry page. If you are not a My Discovery member, you will be asked to complete a one-time registration form and become a member on your first visit. If you are already a member of My Discovery and are logged in, just hit enter to automatically submit your information. Complete the online entry form and submit so that it is received by Sponsor's server by 11:59 PM ET on July 3, 2005. Limit one entry per person per day. By entering, participants warrant and represent that they agree to be bound by these Official Rules and the final decision of the Sponsor and Promotion Administrator.

3. RANDOM DRAWING - PRIZES - ODDS OF WINNING: On or about July 6, 2005, Promotion Mechanics, Inc., an independent judging organization, will conduct a random drawing from among all eligible entries received to award the following prizes: One (1) Grand Prize: Xerox® 19" Flat Screen Monitor, approximate retail value ("ARV") $379.99. Twenty-five (25) First Prizes: MythBusters DVD. ARV $21.95. Odds of winning will be determined by the number of eligible entries received. Winners will be notified by email, phone, postal mail and/or express mail at Sponsor's sole discretion. If a potential winner fails to respond within 10 days of Sponsor's notification attempt, the prize will be forfeited and an alternate winner will be selected at random from the remaining eligible entries.

4. GENERAL: Taxes on prizes and all expenses related to acceptance and use of prizes and not specified are the sole responsibility of winners. By participating, entrants agree [a] to these rules and decisions of Sponsor and Promotion Administrator, which shall be final in all respects relating to this sweepstakes; [b] to release, discharge and hold harmless Sweepstakes Entities from any and all injuries, liability, losses and damages of any kind resulting from their participation in the sweepstakes or their acceptance, use or misuse of prize including, without limitation, personal injury, death and property damage; and if a winner, [c] to permit Sweepstakes Entities to use his or her name, photograph, likeness, statements, biographical information, voice, voice likeness and city and state address for advertising, publicity and promotional purposes in all media, including but not limited to on air and within www.discovery.com, in perpetuity, without compensation (unless prohibited by law) and agree to execute specific consent to such use upon request. Sponsor, its promotional partner, Promotion Administrator, their parent companies, affiliates, subsidiaries, advertising and promotion agencies, agents and representatives and the officers, directors and employees of each 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 postage-due mail; 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 to cancel or suspend the sweepstakes or any portion thereof should virus, bugs or other causes beyond the control of Sponsor corrupt the administration, security or proper play of the promotion, in which case prizes will be awarded via a random drawing from among all eligible entries received prior to cancellation. Entry information becomes property of Sponsor. No prize transfer or cash redemption. No prize substitution, in whole or in part, except by Sponsor due to prize unavailability, in which case a prize of comparable or greater value will be awarded. Internet entry must be made by the entrant only at the authorized web site address of http://dsc.discovery.com/sweepstakes/xerox/color/. 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 sweepstakes subscription notification and/or entering service sites. Any winner who enters by any of the methods described above will be disqualified and an alternate winner selected. 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 sweepstakes 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. Limit one prize per household.

5. ENTRY INFORMATION: Please note that by entering this sweepstakes and by checking the "opt-in" boxes on the entry form for this promotion or on the My Discovery website, you are [a] agreeing that the Sponsor may share your entry information (including your name, address, email address, etc.) with our promotional partners and other parties; and [b] granting us, our promotional partners and other third parties with which we choose to share your information, permission to contact you about our upcoming shows, promotions or for other reasons.

6. WINNER LIST: For a list of winners, mail a self-addressed, stamped envelope to be received by July 31, 2005 to: "Xerox Color" Sweepstakes Winners, PMI Station, PO Box 750, Southbury, CT 06488-0750.

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

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

© 2005 Discovery Communications, Inc. Printed in USA. All rights reserved.