Michael Keaton returned to Saturday Night Live this week, his fourth time hosting at Studio 8H after first appearing on the show in 1982. “Man, I'm excited to be back and hosting the 50th season of 'Saturday Night Live,'” he said, before recalling the state of his career when the show first premiered.

“I was a PA on 'Mister Rogers' Neighborhood,” he said. “And in the '70s, 'SNL' and 'Mister Rogers' have a lot more similarities than you think. Lots of dolls. Tons of cocaine” – although Keaton then praised Fred Rogers as “everything you’d expect him to be.”

Keaton then discussed “Beetlejuice Beetlejuice,” the recently released film in which he reprized his role from 1988's “Beetlejuice.”

“You know, when Halloween comes around, I'm going to see a lot of these little kids out there dressed as Beetlejuice, which is adorable,” he said. The star then joked that adults often use his iconic character as a costume as well: “Usually men in their 40s, which is… less adorable.”

Mikey Day then appeared in his own Beetlejuice costume, complete with green hair and a striped suit. “Look, can I call you Mike?” Day said to Keaton. “I love 'Beetlejuice', it's my favorite. Can you do me a favor and say, 'It's showtime?'” – a reference to a famous line from the film.

“To be honest, I can’t even remember how I said it,” Keaton said before Andy Samberg appeared, also dressed as Beetlejuice.

“Well, I do,” Samberg said. “Mike, here’s the thing,” Samberg said, “I used to work here. And during my storied tenure, I tried many times to get my BJ on the show but failed.”

“Please don’t say BJ, just call him Beetlejuice,” Keaton said. Samberg nodded to the film's premise and shouted, “Don't say the name!” Three times and I’m gone.”

When Keaton spotted actress Sarah Sherman, he said, “I see Sherman lurking in the wings…we don't have time for another Beetlejuice.” But Sherman, wearing a striped dress, reassured him, saying, “Oh no, thank you very much. That's exactly how I dress.”

“You quote a lot of lines from the first film,” Keaton pointed out. “Did you see the second one?”

“Not yet, it’s on the list,” Day, Samberg and Sherman said before encouraging Keaton to “do the voice.” He admitted and as Beetlejuice shouted, “We have a great show for you guys tonight!” and called out Billie Eilish as the show's musical guest.