What's My Line? Facts, FAQ & Common Questions
1950 · CBS · Status: Canceled · Rated: TV-G
Frequently Asked Questions About What's My Line?
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does What's My Line? have?
What's My Line? has 1 season and 876 total episodes, spanning from its premiere on February 2, 1950 to September 3, 1967.
Is What's My Line? renewed, ended, or canceled?
What's My Line? has been officially canceled and will not return for additional seasons.
How long does it take to binge watch What's My Line??
It takes 438h 0m (26280 minutes) to watch the complete run of What's My Line?. At a standard pace of 2 hours per day, you will finish the entire series in approximately 219 days. Not realistic for a 48-hour weekend. At 438 total hours, watching at a healthy 2 hours per day will take approximately 219 days.
What is the highest-rated episode of What's My Line??
The highest-rated episode is Season 1, Episode 378 ("Episode 378"), which holds an outstanding rating of 10/10 based on 1 audience ratings.
Where can you stream or watch What's My Line??
What's My Line? is available for streaming on Amazon Prime Video, Amazon Prime Video with Ads. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for What's My Line??
What's My Line? has an official content rating of TV-G.
Who are the lead actors in What's My Line??
The primary ensemble cast includes John Charles Daly as Self - Moderator (age 77 (deceased)), Arlene Francis as Self (age 93 (deceased)), Dorothy Kilgallen as Self (age 113), Bennett Cerf as Self (age 128).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| John Charles Daly | Self - Moderator | 77 (deceased) |
| Arlene Francis | Self | 93 (deceased) |
| Dorothy Kilgallen | Self | 113 |
| Bennett Cerf | Self | 128 |
| Hal Block | Self | 113 |
| Steve Allen | Self | 78 (deceased) |
| Fred Allen | Self | 61 (deceased) |
| Martin Gabel | Self | 73 (deceased) |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for What's My Line? are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.