   card sharks is an american television game show created by chester feldman for mark goodson-bill todman productions. two contestants compete for control of a row of oversized playing cards by answering questions posed by the host and then guessing if the next card is higher or lower in value than the previous one. the concept has been made into a series four separate times since its debut in 1978, and also appeared as part of cbs's gameshow marathon. the primary announcer for the first three series was gene wood. ==gameplay== two contestants, one of which was typically the returning champion, were assigned an oversized deck of 52 playing cards and were dealt the first five cards for their row. the champion (or champion-designate if there were two new contestants) played the red cards on top while the challenger played the blue cards on the bottom. each 
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