'DOCTOR WHO' BEGINNINGS Waris Hussein directed the first episode of the time-tripping series "Doctor Who," which aired in Great Britain Nov. 23, 1963, and was obscured by the headline of the day. At Manhattan's Paley Center for Media this Tuesday at 7 p.m., he'll screen "An Unearthly Child" and take questions. More at paleycenter.org/events.
'MASTERPIECE' SWEEPSTAKES Fans of British drama might want to enter the "Masterpiece Classic" sweepstakes, whose winner will get to visit venerable locations like Highclere Castle, where "Downton Abbey" is filmed. The grand prize is a five-day, four-night trip for two to London in September. Enter daily, through April 27, at pbs.org/masterpiecesweepstakes.
CHRISTIE CONTEST Agatha Christie fans will love the Queen of Crime Sweepstakes, with a grand-prize trip to London and Paris that includes a visit to a Poirot or Marple production. Sponsored by British video distributor Acorn Media, the contest also awards a Christie DVD library. Enter daily, through April 30, at acornonline.com/christie.
SING WITH YOUR IDOL ABC's summer series "Duets" will pair amateur singers with established music stars Kelly Clarkson, Jennifer Nettles, Lionel Richie and Robin Thicke in a new music competition. Aspiring partners can find audition details at abc.com/casting.