Browse episode ratings trends for What's My Line?. Simply click on the interactive rating graph to explore the best and worst of What's My Line?'s 876 episodes.
Best Episodes of What's My Line?
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Worst Episodes of What's My Line?
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What's My Line? Episode Guide
Episode 1
S1 Ep1
3.5
2nd Feb 1950
Premiere Telecast - Phil Rizzuto the 1st Mystery Guest
Episode 273
S1 Ep273
28th Aug 1955
Lilly Daché and Peggy King guest star with a penguin keeper at the Bronx Zoo and a pair of garbage collectors.
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The first episode of What's My Line? aired on February 02, 1950.
The last episode of What's My Line? aired on September 03, 1967.
