EXCLUSIVE: Rob Lowe Can't Wait for His Comedy Central Roast: 'It's Totally Open Season'

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Rob Lowe walks into the lion's den on Labor Day, and he told ET why he's looking forward to being roasted on Comedy Central.

"I love those roasts. I love them!" Lowe told ET on the set of his promo shoot. "Maybe there's something wrong with me but the meaner they are, the more I like it and the people who can take it are my heroes."

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And viewers can expect the comics to be very mean. Unlike prior roasts where some topics were off limits, Lowe is offering up a free-for-all.

"Part of the fun of it is that it's totally open season," Lowe said.

Considering the skeletons in Lowe's closet, which include struggles with alcohol and an affair with Princess Stephanie of Monaco, the roasters should have no problem finding topics to poke fun at -- something Lowe's kids are counting on.

"My boys [John and Matthew] are aficionados of the roasts," Lowe gushed. "They love them. They're 20 and 22. They're like, 'Dad, you're going to get killed.'"

David Spade has been announced as Roast Master of The Comedy Central Roast of Rob Lowe, but the rest of the roasters are still a secret.

WATCH: John Stamos Hilariously Gets Mistaken for Rob Lowe While on Vacation -- See His Reaction!

"It's people from my life who have been important to me -- funny people, unexpected people," Lowe said.

The Comedy Central Roast of Rob Lowe films in Los Angeles on Aug. 27 and airs Sept. 5 at 10 p.m. ET/PT. Previous roasts have taken aim at Justin Bieber, Donald Trump, and Lowe's good friend Charlie Sheen.