The Sith Lord is shown saying: "I will reveal all the spoilers to you."
Luke's response shot shows him shouting: "Nooooooooooo!"
He also tweeted: "What do you not understand about SPOILERS @danielwcarlson?
#KeepTheSecretsOfVIII"
His comments come as his co-star John Boyega, who plays Finn, also called out a British TV host for revealing a spoiler on UK breakfast TV show, The Independent reports.
He was appearing on This Morning to promote the new film when co-host Holly Willoughby mentioned on plot point.
"And the fans will be very excited because [REDACTED]," Willoughby said, leaving Boyega speechless.
Boyega told her: "Holly, Holly ... you can't tell the fans exactly what happens."
Willoughby then tried to backtrack, saying: "I don't know, I don't know what happens … that is out there."
"You know what? Things happen, things happen. Get your ticket," Boyega replied.