Transcript for 'Saved by the Bell' Star Dustin Diamond Describes Jail Sentence
Back now with "Saved by the bell" actor Dustin diamond speaking out for the first time since going to jail. ABC's Mara schiavocampo is here with the actor's take on what really happened and what life was like behind bars. Good morning, Mara. Good morning. The former teen star accused of stabbing someone in that fight but 'done serving his time and now talking about the future. This morning, actor Dustin diamond opening up about going from the small screen to the big house. Describe your time in jail. It's not like what you see on TV. I'll tell you that. It's pretty daunting and scary going into that environment. Reporter: The former teen star best known for playing lovable oddball screech on the hit show "Saved by the bell" -- Don't talk about his dog. Reporter: Talking to former co-star Mario Lopez on "Extra" about serving three months for stabbing a man during a bar fight in 2014. So you never actually thrust a knife and stabbed someone. No, when I had my pocketknife and the played, and he came around and grabbed my throat so nicked my arm. It was a band-aid. Most expensive band-aid I ever bought. Reporter: Catch tured here and diamond was convicted of carrying a concealed weapon and disord disorderly conduct. Both misdemeanors. He says he was trying to protect his fiancee also convicted on charges of disorderly conduct saying she had been punched in the face after she tried to stop a group of people trying to take pictures of him. I want it to be clear this situation will never be repeated again. Reporter: The 39-year-old released just last month says he got out one month early for good behavior. Earned with janitorial work cleaning floors and doing laundry. Now the actor is focused on a different kind of time. The future. I mean I've been doing it acting and performing for, you know, since I was 8 years old so it's really my bread and butter. I want to put the tomfoolery and malarkey behind me and time for that clean slate. Reporter: Diamond was not convicted of the more serious felony charge but he still faces 15 more months of probation. The first part of his interview airs on "Extra" tonight. Such an interesting reunion for those two star, co-stars on that show. Two words you haven't heard in a long time, tomfoolery and mularkey. Coming up on "Good morning America," a real-life lassie
This transcript has been automatically generated and may not be 100% accurate.