Comedy queen ­Roseanne’s severe mental problems — including a split personality disorder and a stint in a psycho ward — have triggered fears she’s a walking time bomb who could explode and destroy her TV comeback.

The quirky comic ­returned to air to massive ratings — and a congratulatory phone call from President Donald Trump — on March 27 with a CBS revival of her original show, which included her old cast — and her old wacky ways!

An insider warns, “People are worried about Roseanne. Her first sitcom, which ran from 1988 to 1997, imploded as a result of her mental health problems — and she’s having a tough time this go-round, too.

Find out more about her new show in this week's issue of GLOBE!