JohnnyGalecki’s rough time after Roseanne ended. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. During Season 4 of the hit ABC comedy ...
Johnny Galecki is an American actor. He rose to fame as David Healy on ABC's Roseanne (1992-1997). Galecki reprised the role on the Roseanne revival (2018) and its spinoff The Conners (2018-2019).
When The Big Bang Theory first aired, it focused on four geeky scientists. But then Penny entered, and the whole scenario changed. But then, in season 3, ...