This extended session of Laughter Therapy explores the annals of most things funny, presenting a cornucopia of comedy in the pioneers of vaudeville as well as the silent film era, towards the wildly creative innovators that transformed television in the 1950s, 1960s and 1970s, to the present day practitioners that continue steadily to bend the boundaries of comedy today. Chronically severe? Prepare to be cured by this assortment of uncovering profiles and interviews with a number of the funniest personalities ever.FeaturingCharlie ChaplinBuster KeatonGroucho MarxSid CaesarErnie KovacsBob and RayImogene CocaMel BrooksCarl ReinerBob NewhartJonathan WintersBill CosbyPhyllis DillerJoan RiversJerry SeinfeldConan O’BrienAmy PoehlerMargaret ChoJim GaffiganSarah Silverman