Dustin Diamond has been charged with stabbing a man in a bar fight.
The actor is best known for playing Screech in Saved by the Bell.
Dustin Diamond, 37, faces charges of felony second-degree recklessly endangering safety, disorderly conduct, and carrying a concealed weapon.
The fight is said to have happened on Christmas Day in Port Washington, Wisconsin, while Dustin Diamond was with his fiancée Amanda Schutz, 27.
Crime reports say the actor and his fiancée had been to several bars before they got into a row with two men and another woman.
The fight took place at the Grand Avenue Saloon.
When police caught up with the couple’s car near the bar, Dustin Diamond told police he had a “pen” in his hand when he grabbed one of the men, according to the criminal complaint.
Officers found a switchblade knife in the car – the point of it appeared to be covered in blood.
Reports say that Dustin Diamond later told police he accidentally stabbed the man while he was trying to defend his Amanda Schutz.
Amanda Shutz also faces a charge of disorderly conduct.
Dustin Diamond appeared in Ozaukee County court on December 26 and his bail was set at $10,000. His next hearing is set for December 29.
Police said the man who was stabbed was injured in the armpit but is not thought to be seriously hurt.
Representatives for Dustin Diamond have not yet commented and the actor is yet to release a formal statement.
Saved by the Bell aired during the 1990s and followed the lives of a group of high school students.