United Kingdom, April 12 -- Jon Hamm has "forgotten" whether he should be nervous about hosting 'Saturday Night Live'.

The actor, 54, is preparing to make a long-awaited return to the show on Saturday (12,04.25) night, when he will be fronting the late-night sketch series for the first time in over a decade - marking his fourth appearance on the iconic programme.

He told People ahead of his comeback: "It's funny. It's been 15 years since I hosted, so I've forgotten - am I supposed to be nervous yet? I don't remember."

He added: "I'm very much looking forward to it. It's a tremendous honor to be asked back."

His return comes after the 'SNL' 50th anniversary.

Jon added: "It's such a unique thing to do in our industry, and in television...