Creator of 'Family Guy' is already sure that this will be his first and only time as the host because he believes it is a big commitment, reported Entertainment Weekly.
"It's the time commitment, I just don't think I could do it again. It will have been almost six months that I'm working on this. And I'm still going to get savaged in the press," he said.
MacFarlane also said he was drawn to the job because he knew he could mess it up.