Tiffani Thiessen Upcoming Appearances

Complications of the romantic kind ensue when Miss Bliss (Hayley Mills) intercepts a love note intended for Lisa (Lark Voorhies). Screech: Dustin Diamond. Zack: Mark-Paul Gosselaar. Belding: Dennis Haskins.

Zack (Mark-Paul Gosselaar) bullishly hopes he can make enough money on the stock market to pay for damages done to his father s VCR. Jessie: Elizabeth Berkley. Screech: Dustin Diamond. Slater: Mario Lopez.

A student s refusal to dissect a frog in biology class sparks a controversy among her peers. Miss Bliss: Hayley Mills. Zack: Mark-Paul Gosselaar. Screech: Dustin Diamond. Kelly: Tiffani-Amber Thiessen. Slater: Mario Lopez.

A mobster (John Ventimiglia) asks the FBI to track down a valuable Bible that was stolen from him. During the investigation, Neal encounters a dangerous woman (Callie Thorne) who tests his true loyalties.

The gang encourages Screech (Dustin Diamond) to stand up to a bully, unaware of the reason behind the boy s tough exterior. Zack: Mark-Paul Gosselaar. Slater: Mario Lopez. Kelly: Tiffani-Amber Thiessen.

An argument among students over a class project helps Miss Bliss (Hayley Mills) clear up her differences with a longtime friend. Zack: Mark-Paul Gosselaar. Kelly: Tiffani-Amber Thiessen. Screech: Dustin Diamond.

At a school mixer, Zack encourages a friend to ask a girl to dance---but the girl would rather dance with Zack. Zack: Mark-Paul Gosselaar.

Peter and Neal try to locate smuggled Iraqi artifacts. The evidence points to a U.S. soldier as the culprit, but the pair soon begin to suspect a news producer working in the territory. Sarah Wynter and Garret Dillahunt guest star.

Principal Belding (Dennis Haskins) smells a rat when the school is plagued by rodents just as Zack is due to take an important midterm. Zack: Mark-Paul Gosselaar. Screech: Dustin Diamond. Kelly: Tiffani-Amber Thiessen.

Neal and Peter infiltrate New York s Fashion Week to stop a criminal from selling security data that is stored on a piece of technology woven into the fabric of a model s dress. Idil Ghovat Hazeva: Carlo Rota.

Anxious to click with a cool campus clique, Zack agrees to insult his friends---unaware that he s the victim of a prank. Zack: Mark-Paul Gosselaar. Screech: Dustin Diamond. Kelly: Tiffani-Amber Thiessen. Slater: Mario Lopez.

A mobster (John Ventimiglia) asks the FBI to track down a valuable Bible that was stolen from him. During the investigation, Neal encounters a dangerous woman (Callie Thorne) who tests his true loyalties.

Peter and Neal try to locate smuggled Iraqi artifacts. The evidence points to a U.S. soldier as the culprit, but the pair soon begin to suspect a news producer working in the territory. Sarah Wynter and Garret Dillahunt guest star.

Peter and Neal set up a sting to recover a stolen portrait. Neal also tracks the origins of the piece while they try to catch the wily thief.

Peter and Neal work a case based in Chinatown and face plenty of obstacles in the form of organized crime, shady Interpol agents and a game of Pai Gow.

Peter and Neal set up a sting to recover a stolen portrait. Neal also tracks the origins of the piece while they try to catch the wily thief.

Neal becomes a suspect in a clever jewelry heist, and Peter must determine if Neal s lying to him to pull off another con.

Neal becomes a suspect in a clever jewelry heist, and Peter must determine if Neal s lying to him to pull off another con.

Zack and Slater devote the first day of school to the pursuit of Kelly (Tiffani-Amber Thiessen). Belding: Dennis Haskins. Dewey: Patrick T. O Brien. Miss Simpson: Pamela Kosh.

Zack opposes Jessie (Elizabeth Berkley) for the student-body presidency after learning that a week in Washington is a surprise prize. Belding: Dennis Haskins. Dewey: Patrick T. O Brien. Zack: Mark-Paul Gosselaar.

Kelly asks the others to baby-sit her brother while she gets her picture taken. Zack: Mark-Paul Gosselaar. Kelly: Tiffani-Amber Thiessen. Screech: Dustin Diamond. Lisa: Lark Voorhies.

Neal becomes a suspect in a clever jewelry heist, and Peter must determine if Neal s lying to him to pull off another con.

Far out: Screech as an alien from outer space. Lt. Thompson: Sean Masterson. Screech: Dustin Diamond. Zack: Mark-Paul Gosselaar.

The annual prank war between Bayside and Valley is waged in sync with the cheerleading competition. Belding: Dennis Haskins. Stingwell: Ronnie Schell. Jessie: Elizabeth Berkley. Screech: Dustin Diamond.

Screech poses as Zack to take out Belding s niece (Jodi Peterson). Brett: Timothy Williams. Kelly: Tiffani-Amber Thiessen. Zack: Mark-Paul Gosselaar. Screech: Dustin Diamond.

The school nurse (Nancy Valen) renders Zack terminally lovesick, and just after he asked Kelly to go steady. Zack: Mark-Paul Gosselaar. Kelly: Tiffani-Amber Thiessen.

Baysiders take to the airwaves to keep the Max from going down the financial tube. Mark-Paul Gosselaar, Mario Lopez. Belding: Dennis Haskins. Lisa: Lark Voorhies.

The gang sets up a teen-advice line, but Zack s advice to a girl backfires on him. Nicky: Laura Mooney. Zack: Mark-Paul Gosselaar. Kelly: Tiffani-Amber Thiessen.