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Larry King has announced plans to star in a one-man show called Larry King: Standing Up.

The veteran broadcaster will kick off a multi-city tour in April, with a press release promising a "hilarious and insightful" look at his life.

Audience members will also have the opportunity to ask King questions during a Q&A session at each venue.

The tour begins on April 14 in Torrington, Connecticut. It will then travel to Pennsylvania, New York, Maryland, New Jersey and Nevada.

King left his long-running CNN show in December but returns to the network for an interview with Piers Morgan this week. The Morgan-King interview will air live tonight at 9pm ET on CNN US and on Thursday at 8pm on CNN International.

Larry King has suggested that CNN "oversold" Pier Morgan's ability to attract a large viewing audience.

King, who was replaced by Morgan on CNN, told BBC Radio 4's PM that he believes network executives made an error in the way they marketed Piers Morgan Tonight.

"I think one of the problems they did was over-sell it," he said. "He was going to be dangerous, he was going to be water cooler talk."

King added: "He's good but not that dangerous. I think they might have been better off starting quietly and that's not Piers' fault, or maybe it is - I'm not inside anymore."

The 77-year-old broadcaster went on to say that he believes Morgan can be successful in the prime-time slot if he is given the chance to grow an audience over time.

"He's certainly not bad. He's certainly an acceptable host," he said. "He asks good questions... maybe he interrupts a little too much at times. I [just] think he may have been oversold."

King hosted a talkshow on CNN for more than 25 years before leaving the network in December 2010.