loo has the story. >> 30 years since johnny carson signed off of the tonight show leading to the storied handoffs to jay leno, conan o'brien back to leno and then to current host jimmyhe show is still going and so is fallon's replacement at late night with seth meyers. saturday was new year's day as to what year anyone's guess. it's been years of dwindling viewership with appointment tv an la times media reporter steven but has been tracking the late night change. you know, it's one of the traditional platforms and television. >> and like everything else, that's all being upended by streaming. perhaps on cue. james corden will be leaving the late late show on cbs next year. around the same time, trevor noah will be leaving the daily show on comedy central is just new competition. >> you're playing got a, you know, three-dimensional chess. now, with this not just 3 or 4 networks anymore, it's all this other competition and and everything audience for everything as a road. thank you. and good >> when david letterman handed off to steven cole there in 2015, it was another double departure year with jon stewart. also signing off of the daily show on comedy central. but