Anyone who has watched the classic 90s teen sitcom Saved By The Bell is no stranger to the wild antics that the students of Bayside High pull each episode. Most of which would have resulted in their suspension or expulsion if this was real-life. Principal Belding, however, lets most of the wrongdoing slide.

RELATED: 10 TV Reboots That Didn't Need To Happen

Zack Morris is often the one who gets away with the most misdeeds, as he is a suck-up to Principal Belding. Zack is an awful friend and awful person in general, and he proves that to viewers during every episode.

10 Zack Prints Calendar Pictures Of The Girls

Girls of Bayside Saved by the Bell

Model Students opens with Zack meeting Kelly at her workplace, which is currently the bookstore at Bayside High. The 'nerds' are in charge of bookstore operations, but business is doing terribly because of the items they sell.

RELATED: 10 Classic Sitcoms To Watch On Peacock

Zack convinces Principal Belding to let him and his friends take over the bookstore to run things differently. Zack convinces Screech to secretly photograph the girl's swim team at Bayside. Zack then edits the pictures to make a Girls Of Bayside calendar and cardboard cutouts without their permission. This isn't the last or first time Zack exploits women.

9 Zack Runs Teen Line And Causes People To Break Up

Zack Morris on the phone on Saved by The Bell

In 1-900 CRUSHED, Zack needs a new way to make some cash, so he decides to start a teen helpline for relationship advice. Lisa and Screech join him in the business venture, but Lisa decides to quit and the helpline turns into a disaster. Zack starts by mistakenly telling Kelly's little sister he would love to go on a date with her because he believes it's Kelly. Zack then gives bad relationship advice to the students of Bayside High on purpose, and Zack meets their wrath due to his devious antics.

8 How Zack Reacts To Melissa Being In A Wheelchair

Zack Morris and Melissa on Saved by the Bell

In Teen Line, there's another appearance of the gang's business venture. Tori starts a Teen Line to give good advice to the students of Bayside. Zack doesn't follow the rules and decides to take Melissa out, a girl he meets on the Teen Line. When Zack realizes Melissa is wheelchair-bound, he brings it up every chance he can. Zack's ableism understandably annoys Melissa. Zack later apologizes, and the pair make up at the dance.

7 Zack Makes Screech Help Organize A Video Dating Site

Zack Morris and Screech film video yearbook on Saved by the Bell

Zack is back at it again exploiting women. Zack and Screech are responsible for creating a video yearbook for Bayside High during The Video Yearbook. Zack employs Screech to edit the introduction videos they film, but Screech turns them into a dating profile with the girls' phone numbers without their permission. However, Zack is angry with Screech for including Kelly on the video yearbook, because Zack doesn't want her to go out with anyone but him.

6 Zack Tells People Slater Has A Terminal Illness

Zack Morris and AC Slater on Saved by the Bell

Zack plummets to a new low in the first season episode Aloha Slater. Since Slater's dad is in the military, his family may relocate to Hawaii, but Slater doesn't want to go.

 RELATED: 10 TV Spin-Offs That Ruined The Original Show For Fans

Zack deviously sees this as the prime opportunity to get Kelly all to himself. Zack tells the Bayside gang that Slater doesn't want to go because that's where he will get treatment for his terminal illness. Zack convinces his friends to be mean to Slater, so he will want to leave Bayside. However, his plan backfires when Kelly feels sorry for Slater and wants to go to Hawaii with him. That's what you get, Zack.

5 Zack Fakes An Illness To Meet A Pop Star

Zack Morris on Saved by the Bell smirking

Spreading lies about Slater dying isn't the only time fans see Zack joking about terminal illnesses. Bayside High students are greeted by pop-star Stevie, who is set to perform a concert at their school. This atrocity of Zack actually occurs during the short-lived sitcom Good Morning, Miss Bliss. Zack makes a bet with his friend Nikki about scoring a kiss with Stevie. Nikki thinks he's full of it, but Zack has some other plans. Zack pretends he's terminally ill in front of Stevie and ends up receiving the kiss. Miss Bliss is furious when she finds out. This is now considered sexual assault by deception.

4 Zack Kisses Lisa When He Knows Screech Likes Her

Lisa Turtle on Saved by The Bell

Fans of Saved By The Bell are well aware of Screech's crush on Lisa Turtle. Screech's love for Lisa frequently goes too far despite her rejections. In The Bayside Triangle, during Saved By The Bell's fourth season, things get a little hot and heavy between Zack and Lisa. Lisa prepares for a fashion show for college to impress a fashion school recruiter.

Zack helps Lisa with the fashion show and the pair share a kiss. Screech becomes distraught, since Lisa is the love of his life and decides to sabotage the fashion show. Fans won't forget when Zack made a raffle for students to kiss Lisa without her permission.

3 Zack Dresses Up As A Woman To Seduce Screech

Zack Morris on Saved by the Bell as a woman

In order to complete their science project, Zack must find a way to cheer up Screech enough to do all the work. In the episode Screech's Woman, during Saved By The Bell's first season, Zack dresses as a woman named Bambi and goes on a date with Screech. Slater manages to recognize Zack, but the date turns sour for Bambi when Screech says he won't get rid of Zack for her. Despite being a terrible friend to Screech, Zack somehow remains his friend.

2 Zack Fat-Shames Wendy At The Auction

Zack Morris on Saved By the Bell shames Wendy

In Date Auction, students hold a date-auction to raise money for new cheerleading uniforms during the third season of Saved By The Bell. The girls of Bayside bid on various male students in their class body to score a date with them.

RELATED: 5 Sitcom Protagonists Who Aren't Good Role Models (& 5 Who Aren't)

Jessie is disgusted with the idea of the auction because it goes against her views, so she refuses to bid on her love interest, Slater. Somehow, an intense bidding war for Zack Morris starts with several classmates. When Wendy Parks bids $100 on Zack, he is nothing but shocked. Zack lies to get out of the date, but Wendy finds out the truth. However, Zack apologizes in this instance and takes her to the dance.

1 Zack Ignores The Possibility Of Jessie Having A Drug Problem

Jessie Spano and AC Slater on Saved By The Bell

Saved By The Bell doesn't just focus on the petty problems of high school students, but also discusses serious social issues. A few examples are the deadly effects of oil spills, homelessness, and drunk driving. Saved By The Bell also raises the issue of drug addiction, something Elizabeth Berkley, who plays Jessie Spano, thinks should be talked about.

Slater tries to tell Zack that he worries about Jessie because she is taking caffeine pills to stay awake for tests. Jessie also takes them to keep up with Zack's crazy rehearsal schedule for their singing group. Zack ignores Slater until he finds Jessie passed out and confused on her bed. Ignoring a friend's safety makes Zack a horrible person.

NEXT: 10 Classic Sitcoms That Are Actually Still Funny