BIG Brother's Sunday show is undergoing an abrupt schedule change. The reality TV show and three other shows are being pushed back on tonight's schedule. The Big Brother Instagram page posted a message to their Story on Sunday evening.

"Friendly reminder that tonight's episode is at 9:30/8:30c and 9 pm Pacific," it read. "And find out who is the AI Instigator." Typically, Sunday episodes have been airing at 9pm this season, which is different from the usual 8pm.

READ MORE ON BIG BROTHER The NFL Preseason overrun is running into the normal timeslot for 60 Minutes at 7pm, so each show is pushed back 30 minutes. Tulsa King will air after 60 Minutes at 8:30 instead of 8, which pushes Big Brother back as well as Tracker at 10:30. With football starting in September, this is bound to not be the only episode that is delayed this season and it isn't the first .

Sunday shows usually consist of the Head of Household competition, if not shown on Thursday, and the nominations for the week. Most read in Reality However, this episode will show who was voted the AI Instigator, which America voted on last week. The houseguest who is selected to win the power will get to pick on other contestants using artificial intelligence deepfakes to hide their true identities, causing chaos to ensue.

"Booo!" one Reddit user said of the change. "Could end up even later," pointed out another. ANOTHER CHANGE At the end of Thursday's episode, after Brooklyn Rivera was evicted , host Julie Chen Moonves annou.