Jimmy Fallon draws the worst-ever ratings for a Tonight Show episode
https://www.thewrap.com/tonight-show-jimmy-fallon-record-low-ratings-viewers-audience-colbert-kimmel/
About 947,000 total viewers watched last night's show, based on overnight ratings. That's less than half of Stephen Colbert's Late Show Monday viewership.
https://www.reddit.com/r/television/comments/kvyuev/jimmy_fallon_drew_the_smallest_tonight_show/
https://www.datalounge.com/thread/27766932-tonight-show-with-jimmy-fallon-plummets-to-lowest-ratings-ever