Opening credits sequence (18 seasons; 452 x 25-min episodes) Running time 25 min. Production company(s) McGowan Productions Flying ‘A’ Productions Filmaster Productions
Opening credits sequence (18 seasons; 452 x 25-min episodes) Running time 25 min. Production company(s) McGowan Productions Flying ‘A’ Productions Filmaster Productions
Opening credits sequence (16 seasons 528 x c.25-min episodes). Quiz show presented by Groucho Marx