90210 revolves around several students at the fictional West Beverly Hills High School, including new Beverly Hills residents Annie Wilson and Dixon Wilson. Their father, Harry Wilson, has returned from Kansas to his Beverly Hills childhood home with his family to care for his mother, former television and theater actress Tabitha Wilson, who has a drinking problem and clashes with his wife Debbie Wilson. Annie and Dixon struggle to adjust to their new lives while making friends and yet adhering to their parents’ wishes.
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#1 – The Heart Will Go On
Season 4 – Episode 19
Dixon collapses while arguing in the recording studio with Adrianna. In the hospital, they run into Liam who is with Silver to support her during a test to detect if she has the breast cancer gene. Ivy finds out Raj still has cancer and is in the hospital, while Annie meets a new guy Caleb and discovers he is a priest.
The episode was rated from 77 votes.
#2 – The Prom Before the Storm
Season 3 – Episode 21
As the gang prepares for prom, Dixon and Annie learn some troubling news about their futures, and Ivy discovers that Raj’s health has taken a turn for the worse. With Silver away in the hospital, Adrianna tries to rekindle her romance with Navid. Meanwhile, Naomi and Max’s relationship is strained to the breaking point.
The episode was rated from 68 votes.
#3 – The Enchanted Donkey
Season 3 – Episode 18
When the group decide to take a vacation to Mexico for a much needed break, chaos ensues. Naomi brings her crush Max along, under the guise that she needs extra tutoring. Teddy encounters a former crush with surprising results, while Annie drags Liam around the city, determined to embrace the culture. Meanwhile, Silver and Adrianna’s bitter feud over Navid comes to a shocking confrontation.
The episode was rated from 74 votes.
#4 – And Away They Go!
Season 2 – Episode 11
Navid wakes up in the hospital but has no memory of who pushed him down the stairs. Adrianna visits Navid and following her conversation with him, makes a life-changing decision about her addiction to pills. Silver and Teddy bond over the loss of both of their mothers and unexpectedly get close. Liam, Dixon and Ivy learn that Naomi and Jen will be attending the horse races and devise a plan to finally reveal the truth to Naomi about her evil sister. Annie and Jasper sneak out even though Harry and Debbie have grounded her.
The episode was rated from 72 votes.
#5 – Blue Naomi
Season 3 – Episode 17
Dixon and Navid formalize their partnership, and a chance meeting with Snoop Dogg could mean good news for Shirazi Studios. Naomi tries to impress Max by dressing up in an Avatar costume, but doesn’t quite get the reaction she was hoping for. After learning the truth about Navid, Adrianna vows to get revenge. Meanwhile, Annie and Liam work together to expose Emily, and Ray confides in Ivy.
The episode was rated from 68 votes.

#6 – They’re Playing Her Song
Season 3 – Episode 9
Teddy begins to feel more comfortable in his own skin and decides to visit a bar in West Hollywood where he soon realizes he forgot his wallet and is forced to turn to Ian for help. Annie is ready to take her relationship with Charlie to the next level but is mortified when his friends catch a glimpse of her in lingerie. Now a single father, Ryan turns to Debbie for help and the two end up hooking up. Navid deals with the fallout of having turned his father in for employing underage girls in his pornography business by turning to Silver. Adrianna is oblivious to Navid’s situation due to her new found fame.
The episode was rated from 63 votes.
#7 – We All Fall Down
Season 5 – Episode 22
In a memorable send-off, our favorite group from Beverly Hills will come together again after a traumatic event that makes them realize the importance of their relationships.
The episode was rated from 121 votes.
#8 – To the Future!
Season 3 – Episode 22
With graduation approaching, Naomi makes a decision that might prevent her from graduating with the rest of her class. Liam tells Annie that he doesn’t plan on going to college, and Ryan asks Debbie to move to Paris with him. An unplanned wedding springs up, but Adrianna isn’t invited after the group discovers her scheme to get revenge on Silver.
The episode was rated from 73 votes.
#9 – Project Runaway
Season 4 – Episode 11
Dixon struggles with temptation as he tries to make his way back into the music world, while Annie confronts Jeremy, who stands in the way of her inheritance. Naomi and Holly embarrass themselves in front of Janice Dickinson at a fashion show, while Navid reaches a breaking point with his uncle. Meanwhile, Teddy makes a big decision that upsets Silver.
The episode was rated from 63 votes.
#10 – Forever Hold Your Peace
Season 4 – Episode 24
Naomi shocks everyone when she announces she won’t be able to oversee Max’s wedding because she has accepted a job in New York and will be leaving immediately. Teddy comes back to town and Dixon rushes back from touring to give his relationship with Adrianna another try, then fails to show up at their meeting spot. Meanwhile, Silver feels like she has to choose between Navid and Liam and makes a life-changing decision.
The episode was rated from 76 votes.