'Save By the Bell' Star Dustin Diamond Arrested for Bar Room Stabbing

The actor who is best known for his character "Screech" arrested at a bar on Christmas night.
2:58 | 12/27/14

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Transcript for 'Save By the Bell' Star Dustin Diamond Arrested for Bar Room Stabbing
You may know him from iconic images like this when he was screech on saved by the bell wearing a singlet there. The actor Dustin diamond is in a lot more trouble than his character ever had to handle. I believe it's called a unitard. It's a singlet. Never correct me. The actor was arrested after some trouble at a bar Christmas night. Our newest correspondent, we welcome you to "Gma." We are confirming it is called a singlet. I thought it was a onsie. No. We wrestle in Iowa. It's singlet. Good to know, good to know. It's good to be here. It's not a good morning to be Dustin diamond. As you know, diamond spent ten years in the 1980s playing the nerd screech and he's the latest in a long list of child actors to have run-ins with the law. This morning the kid we knew as the geeky and loveable screech on saved by the bell is now behind bars. Dustin diamond seen here smiling in his mugshot taken after a Friday morning arrest. Diamond is accused of reckless endangerment and carrying and using a dangerous weapon. This TMZ video captures the 37-year-old actor moments before he allegedly used a switch blade on someone in a bar. According to court reports, diamond and his fiance got into a fight with three people inside a local bar. In an affidavit police say diamond admits to unintentionally stabbing one of the men under the arm, he says, to defendant his fiance. My fiance was injured -- Reporter: Diamond appearing in court by video on Friday. Since roaming the halls of bayside high in the '90s, diamond has been known for his real life bad boy rules on shows like celebrity boxing. And off screen troubles. He's had some lawsuits. He's had some foreclosures. He did an adult film. Reporter: The actor is being held on $10,000 bond. His representatives declined ABC news requests for comment. By the way, the alleged victim in this case was not seriously injured. As for diamond, this is not really going to impact his Hollywood career because there really wasn't one lately. His last bit of work was an unauthorized documentary about saved by the bell. You both saw it? No, I didn't. It was on lifetime. I normally watch everything on lifetime. Sara Haines skipped a lifetime special, who knew. I couldn't imagine a better story to kick my ABC career off with. You'll always remember this one. Coming up here on "Gma,"

This transcript has been automatically generated and may not be 100% accurate.

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