Tune in for a special marathon of classic episodes of "What's My Line," Weekdays at 3:00am until Dec. 27. | Game Show Network

One of the most charming people ever, Lucille Ball. | Game Show Central

Close your eyes. Can you guess who this mystery guest is on, "What's My Line" 1966? #Sinatra #frankSinatra #guest #celebrityguest #gamenight #gameshow #games #whatsmyline #whatson #blackandwhite #entertainment #publicarchives #library NOTE: This video was taken from the Public Library Achieves and is free to use. @followers @topfans Rick Michel Rick Michel | Rick Michel

This is one #WhatsMyLine episode you can really sink your "teeth" into! With our star panel, #ArleneFrancis, #DorothyKilgallen, #BennettCerf and our special guest panelist, #JohnCameronSwayze these mystery guests & our host, #JohnDaly will try and trick our celebrities with some peculiar occupations! #BUZZR | BUZZR

Ready for a REUNION #gameshow fans?! You're going to LOVE this one! The WHOLE #IveGotASecret panel, #BillCullen, #JayneMeadows, #HenryMorgan and #FayeEmerson play a TRICK on the #WhatsMyLine panel! Can they keep a "SECRET" or will they SELL THEMSELVES OUT! Watch as our celebrity panel, #ArleneFrancis, #VictorBorge, #DorothyKilgallen, #BennetCerf and host, #JohnDaly WRESTLE with an Octopus Fisherman and a comedy LEGEND, #ImogeneCoca! #BUZZR | BUZZR