United Kingdom, Feb. 10 -- Jesse Eisenberg's 2011 stint as host of 'Saturday Night Live' still lingers in his mind as one of the most "unbelievably inappropriate" mistakes he's made in his career.

Reflecting on the experience during an appearance on 'Today with Jenna and Friends', the actor, 41, said despite rave reviews of his episode, he can't shake the memory of one major blunder.

Jesse said: "I think they said it was the best episode they ever did.

"I only have bad memories because I did such a dumb thing.

"My dream when I was 17 was to write for 'SNL'. I made a packet and everything and I got an agent.

"And then, when I got asked to host, which was 10 years later, I assumed I could write all the sketches.

"I didn't know how it ...