Big Brother will kick off the summer with its Season 20 premiere in late June. CBS has announced the 20th season of Big Brother will debut with a two-hour episode on Wednesday, June 27 at 8PM ET\/PT. Big Brother, hosted by Julie Chen, will once again air three weekly episodes. RELATED LINK: 'BIG BROTHER' SHOWMANCES NOW: WHO'S STILL TOGETHER? WHICH COUPLES HAVE SPLIT UP?? (PHOTOS) After the new edition premieres, CBS will air a Thursday broadcast on June 28 from 9-10PM ET\/PT, followed by a Sunday broadcast on July 1 from 8-9PM ET\/PT. Beginning on Wednesday, July 4, Big Brother will move to 9PM ET\/PT for the remainder of its Wednesday-night run. CBS made the announcement when unveiling the network's Summer 2018 schedule. Big Brother will continue to follow a group of people living together in a house outfitted with 94 HD cameras and more than 113 microphones, recording their every move 24 hours a day. Each week, someone will be voted out of the house, with the last remaining houseguest winning the grand prize of $500,000. Last season, Big Brother 19 crowned Josh Martinez the champion in a 5-4 jury vote against returning BB18 runner-up Paul Abrahamian. Earlier this year, CBS also aired its first-ever Celebrity Big Brother edition, which ended with the celebrity cast voting for actress Marissa Jaret Winokur its winner. The series has been renewed for a second season. RELATED LINK: 'BIG BROTHER' SHOWMANCES NOW: WHO'S STILL TOGETHER? WHICH COUPLES HAVE SPLIT UP?? (PHOTOS) Big Brother is produced by Allison Grodner and Rich Meehan for Fly on the Wall Entertainment, in association with Endemol Shine North America.