https://www.hollywoodreporter.com/live-feed/big-bang-theory-hits-series-low-tv-ratings-thursday-april-4-2019-1199756

After three weeks off, the CBS comedy posted its first rating below 2.0 in the 18-49 demographic in its 12 seasons and 273 episodes. Spinoff Young Sheldon also had a series low in the demo.