FANS are upset after learning that the Masked Singer finale and a new episode of Survivor 50 will be yanked off the air mid-episode.

An unexpected announcement left networks scrambling to rework their Wednesday night primetime lineups.

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An unexpected change to the broadcast lineup will pull the Masked Singer finale off the air mid-episodeCredit: Michael Becker/ FOX
 

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Survivor fans are reeling after an interruption to a two-hour episodeCredit: Robert Voets/CBS
 

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President Donald Trump will address the nation at 9pm tonightCredit: Getty
Several shows will be paused when President Donald Trump gives an address on the war in Iran at 9pm ET tonight.

The speech, which is scheduled to be 20 minutes long, will be aired live by all major networks.

Trump’s broadcasted remarks will be a major disruption for several fan-favorite shows airing during the 8pm to 10pm block.

For East Coast viewers, the address will interrupt CBS’ two-hour Survivor 50 special and the two-hour finale of the Masked Singer on Fox.

The shows will pick back up at 9:20pm and finish airing by 10:20pm.

“This is so annoying,” one Survivor fan lamented on Reddit.

“Change the Address and leave Survivor and us alone,” another said.

“This is an April Fools Day joke, right?” a Masked Singer fan commented.

The address will also affect new episodes of NBC drama Chicago Fire and ABC game show The Greatest Average American, which air at 9pm.

Chicago Fire will begin at 9:20pm instead, while ABC has opted to air a rerun of The Greatest Average American instead at that time.

CBS and NBC have also pushed their late night shows, The Late Show and The Tonight Show, back to 11:50pm.

ABC will air rerun of Shark Tank at 10:01pm and keep Jimmy Kimmel Live! on schedule.

For West Coast viewers, the address will air at 6pm and primetime shows will not be affected.