The Cast of The Big Bang Theory, Barenaked Ladies Stephen welcomes actors Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch (from “The Big Bang Theory”), with a musical performance by Barenaked Ladies. Details Casts Videos Galleries Posters Season Lists Title The Cast of The Big Bang Theory, Barenaked Ladies Genres Comedy Talk Release Date 2019-05-16 Episode Runtime 00 Hours 00 Minutes Season Number 4 Episode Number 149 Production Companies Spartina Productions, CBS Studios Stephen Colbert... Self - Host... Failed Network Promos w/ Stephen Colbert & James Corden (Trailer) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (1823x1024) Original Size (3840x2160) Original Size (2000x3000) Original Size (1400x2100) Original Size (1000x1500) Original Size (1160x1740) Original Size (1067x1600) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (2000x3000) Original Size (2000x3000) Original Size (680x1000) Original Size (1400x2100) Season 1 202 Episode(s) 2015-09-08 Season 2 206 Episode(s) 2016-09-06 Season 3 194 Episode(s) 2017-09-05 Season 4 195 Episode(s) 2018-09-04 Season 5 173 Episode(s) 2019-09-03 Season 6 168 Episode(s) 2020-09-14 Season 7 170 Episode(s) 2021-09-07 Season 8 107 Episode(s) 2022-09-06 Season 9 110 Episode(s) 2023-10-02