Pamela Anderson says Tim Allen 'has to deny' he flashed her on 'Home Improvement' set, but she's standing by her story: 'How could you make that up?'

• Pamela Anderson has responded to Tim Allen's denial that he flashed her on set in 1991.
• Allen previously told Insider that the incident, described in Anderson's memoir, "never happened."

Pamela Anderson has defended her claims that Tim Allen flashed her while they were filming "Home Improvement" after the "Santa Clause" actor denied the allegations.

In an excerpt from Anderson's new memoir "Love, Pamela," seen by Variety, the former "Baywatch" star claimed that Allen opened his robe to show him his body on the first day of filming in 1991.

Allen has since denied the story, telling Insider: "No, it never happened. I would never do such a thing."

But in a new interview with ET Canada published Monday, Anderson insisted that the incident did occur.

"You can't make that stuff up. He has to deny it because look at the times we're in. If he said, 'Oh yeah, I did that…' he'd be..." Anderson said, appearing to refer to the #MeToo movement.

Anderson recalled the alleged incident again, explaining: "It was the first day of filming, and I was in my dressing room and I came out, and then he came out of his dressing room and he had this robe on."

The actor said that Allen then opened his robe. "And then he closes it and he goes, 'Now we're even — I've seen you naked, you've seen me naked. Now we can start the show.' How could you make that up?" she said.

Variety noted that Allen was likely referring to seeing Anderson posing nude in Playboy when he said that he had seen her naked. The model was chosen as the magazine's "Playmate of the Month" the year before the alleged incident.

Anderson continued: "Then he ran back into his room and he was embarrassed all day and acting like a little giddy schoolboy. I was like, 'OK.'"

Anderson told ET Canada that the stories she shared in her memoir were "just the tip of the iceberg," and she only shared the story about Allen because "it was my first job."

Anderson, who was 23 years old when she first joined the show, starred in the first two seasons of the ABC sitcom before moving on to "Baywatch."

Allen told the Daily Mail that Anderson had "a weird memory" of their time working together on "Home Improvement."