Tonight is the season 18 premiere of Big Brother, with a whole new round of houseguests participating in the show. The show will film for a reported 99 days and there are rumored to be four mystery cast members this season. As for the challenges, “Battle of the Block” is supposedly gone and will be replaced with a new activity debuting on Sunday, June 26, 2016. For all the details on what time the show airs, the theme of the house, cast members with connections to previous houseguests and more, read on below.

WEEK 1 PREMIERE DATES: June 22, 23, and 26, 2016

PREMIERE TIME: 8 – 10 p.m. ET/PT

SEASON SCHEDULE: CBS reports the show will air Sundays (8:00-9:00 PM, ET/PT), beginning June 26; Wednesdays (8:00-9:00 PM, ET/PT), beginning June 29; and Thursdays (9:00-10:00 PM, live ET/delayed PT) beginning June 30, 2016.

TV CHANNEL: CBS – Check with your local TV provider (Verizon FIOS, Optimum, etc.) for the exact channel number. You can also click here to check out all CBS affiliate stations in various locations.

HOST: Julie Chen

LIVE STREAM: If you’re looking for a free live stream of tonight’s show, you can sign up for the free trial here, stream the show, and then cancel your subscription within 7 days to avoid charges.

HOUSE THEME: Summer Vacation

CAST MEMBERS WITH CONNECTIONS TO PREVIOUS HOUSEGUESTS: Paulie Calafiore (Cody’s brother) and Tiffany Rousso (Vanessa’s sister).