when did johnny galecki first appear on roseanne
Johnny Galecki John Mark Galecki (born April 30, 1975)[1] is an American actor. He is known for playing Leonard Hofstadter in the CBS sitcom The Big Bang Theory since 2007 and David Healy in the ABC sitcom Roseanne from 1992 to 1997 and briefly reprised the role during its 2018 revival. Galecki also appeared in the films National Lampoon's Christmas Vacation (1989), Prancer (1989), Suicide Kings (1997), I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011), and Rings (2017).
Roseanne On June 21, 2018, it was announced that ABC had officially ordered a 10-episode spin-off tentatively titled The Conners, and that it would involve every original cast member except Barr. On August 28, 2018, it was announced by Michael Ausiello of TVline that Emma Kenney, Ames McNamara, and Jayden Rey would all return for the spinoff.[105] Other recurring characters have not been confirmed as of yet.[106] The series is set to premiere on October 16, 2018.[107]