Could the TV surprise of the decade be on the way?
Lorre, speaking at a news conference Thursday, had kind words for his former leading man while speaking about the comedy’s final season.
"It would be inappropriate not to acknowledge our success with Charlie and how grateful I am and we are," said Lorre, the mind behind The Big Bang Theory and Mike & Molly. “I have nothing but good feelings for those eight-and-a-half years."
While Lorre didn’t directly address the possibility of Sheen appearing, he teased that writing the last installment of the wildly-successful comedy has been "a tricky sticky wicket," balancing between the Sheen era and , Ashton Kutcher.
"The show has morphed into something else entirely for the last four years to something we love," Lorre said. “How to honor both is the challenge of this finale, and the other challenge is how to get people to watch it without telling them what it is.
"I think you will be very, very pleased with the finale and that's all I'm going to say about it."
Should Sheen’s face be seen on the comedy again, it would mark one of Hollywood’s biggest hatchets buried, as his famously-public falling-out with Lorre in 2011 resulted in his character being killed off at a time he was the highest-paid actor in TV history.
Interestingly, Sheen -- whose follow-up show, Anger Management, never came close to his previous success working alongside Lorre -- has made passing references to both the show and its creator in recent months.
Back in 2011, Radar was at the forefront of the Sheen-Lorre feud, including Sheen passing a drug test after CBS halted production of the series, citing the actor’s "conduct and condition."
Sheen’s memorable series of exchanges with Radar famously resulted in a number of offbeat phrases, such as "Winning," "Tiger Blood" and "Vatican Assassin."
Two and a Half Men’s one-hour series finale is slated to air Feb. 19 at 9/8c on CBS.