Beverly Hills, 90210

Show generally

Deliberate mistake: The layout of the Walsh house, both interior and exterior, is different in the pilot than it is in the rest of the series.

Cubs Fan

One on One - S1-E5

Continuity mistake: They say it's October, but it was November in the previous episode.

Perfect Mom - S1-E7

Continuity mistake: When Jackie walks out and Cindy walks in, she closes the door behind her. However, despite the door being closed, Brenda walks in. (00:36:05)

Perfect Mom - S1-E7

Continuity mistake: In this episode we are (at the fashion show) introduced to Donna's mother for the first time. She is called on stage as Nancy Martin. In all further episodes she is known as Felice Martin.

Isn't It Romantic? - S1-E10

Visible crew/equipment: When the scene changes to Brandon, Brenda and Dylan going to the movies, look closely. You will notice Brenda waiting for Dylan in front of the movie theater. Then later, they show the exact same scene when she is waiting for Dylan to show up on their movie date. It's very quick, but the editors apparently didn't catch it.

Stand (Up) and Deliver - S1-E17

Visible crew/equipment: When Brenda is talking with Michael Miller, you can see a microphone come into the top of the frame.

Leading From the Heart - S2-E11

Visible crew/equipment: When Kelly goes to the Walsh's house to speak with Bobby in the morning, a microphone becomes visible at the top of the screen while the two are sitting at the kitchen table. (00:42:00)

Bk04

Down and Out of District in Beverly Hills - S2-E12

Visible crew/equipment: Kelly, Steve, Andrea, Brandon, and Dylan are all gathered near the lockers when Kelly begins to discuss her opinion of Steve's new girlfriend Christine. Just after Steve says "Tell me everything that's wrong with Christine", the camera pans to Kelly where a microphone becomes visible at the top of the screen. (00:15:15)

Bk04

Everybody's Talkin' `Bout It - S2-E21

Visible crew/equipment: While the parent meeting is taking place at the Walsh's home, Donna's mother stands up to express her opinions. The camera pans out to a wide shot where a microphone becomes visible at the top of the screen. (00:12:00)

Bk04

Everybody's Talkin' `Bout It - S2-E21

Visible crew/equipment: When Kelly and her mother are having dinner with David and his father at the Japanese restaurant, a boom mic is visible above their heads. (00:18:00)

Cubs Fan

Meeting Mr. Pony - S2-E25

Continuity mistake: Brenda goes to see a counselor about the robbery. She asks what to do about the nightmares. The counselor asks about her happiest moment. Brenda starts talking about her horse she had as a child. She starts out saying his name was Sebastian but by the end of her story she says his name is Sylvester.

Destiny Rides Again - S3-E12

Continuity mistake: In this episode, Steve breaks into the school to improve his school grades in order to get into USC, because that is where his Dad went. But when the gang does go to college at CU, Steve's father is an alumni of that college not USC.

Beverly Hills, 90210 mistake picture

It's a Totally Happening Life - S3-E16

Visible crew/equipment: When Brenda and Dylan are in the same bedroom and the camera is panning about, you can see the end of the set in the upper left corner. (00:18:35)

The Game Is Chicken - S3-E17

Other mistake: When Dylan opens up his locker at school, he only turns his lock dial to the right. (00:06:00)

Cubs Fan

Midlife...Now What? - S3-E18

Visible crew/equipment: When Jackie and Babette talk with Cindy about their "good old times," a boom mic dips into the shot.

Cubs Fan

The Child Is Father to the Man - S3-E22

Visible crew/equipment: When Dylan calls Kelly at the end of the episode, in the shots of Dylan, a boom mic is visible above his head.

Cubs Fan

Perfectly Perfect - S3-E24

Continuity mistake: This is the first episode in which Kelly celebrates a birthday, and it is in March. A few seasons later, Kelly has another birthday, but this celebrated in one of the first episodes of the season and takes place when everyone has just returned from their summer excursions. This would put her birthday in September.

Senior Poll - S3-E25

Visible crew/equipment: When Kelly returns home after her talk with Dylan, a boom mic is visible above her head. (00:37:45)

Cubs Fan
Beverly Hills, 90210 mistake picture

A Night to Remember - S3-E27

Continuity mistake: At the pre-prom party, the head in Kelly's glass of champagne disappears. No time has passed, so it hasn't gone flat. (00:25:45)

Cubs Fan

Season 4 generally

Other mistake: Throughout the entire 4th series and even various times into the 5th series, pay attention to the shots that show the outside of Steve's Kappa Epsilon Gamma frat house. Every single time, you will notice the same exact two people outside of the frat house - one is a guy wearing a green and white striped shirt sitting in the lawn reading a book, and the other guy is wearing a brown or orange shirt lying on the couch outside. While not impossible, these same exact two characters wearing the same exact clothes doing the same exact things outside of the frat house every single time for upwards of a year or more in 'show time' is unlikely.

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