Big Brother 'Big Brother' Season 20 premiere date announced by CBS 05/22/2018 Big Brother will kick off the summer with its Season 20 premiere in late June. Read More RELATED NEWS 'Big Brother' couple Bayleigh Dayton and Chris "Swaggy C" Williams welcome second child'Big Brother' couple Bayleigh Dayton and Chris "Swaggy C" Williams expecting second baby'Big Brother' couple Bayleigh Dayton and Chris "Swaggy C" Williams welcome a baby girl TAGS: Big Brother Paul Abrahamian Julie Chen Josh Martinez Marissa Jaret Winokur