After stopping Bailey’s Comet, the gang find themselves transported back in 1955. Toni, Tabitha and Betty take a stand against Principal Featherhead after he stonewalls their attempts to write about the murder of Emmet Till.

Riverdale High’s sock hop is around the corner and Archie has his sights set on taking Veronica to the dance. Betty is confused when Kevin appears uninterested in taking things to the next level with her. Jughead takes aim at Pep Comics.

After a lesson in sex education leaves the gang more confused than ever, Veronica decides to organize a make-out party at the Pembrooke. Elsewhere, Jughead attempts to help Ethel out of some trouble only to find himself in hot water as well.

After enlisting Archie’s help, Cheryl’s plan to fool her family spirals out of control. Jughead turns to Veronica for help, and Betty gives Kevin an ultimatum.

Principal Featherhead takes aim at the negative influence comic books, just as Jughead is tasked by Pep Comics to write four tales for a new issue.

At her wits end over Archie’s recent actions, Mary turns to Uncle Frank to get him back on track. Betty asks Veronica for help understanding her sexuality.

Fearing that Betty is going down the wrong path, Alice forces her to join the after-school dance show. Meanwhile, Kevin is forced by Tom to join the basketball team, and Veronica is cut off by her parents.

In order to keep the basketball legacy alive, Frank and Archie recruit a new player named Reggie. Tabitha’s return to school inspires Toni to start a literary society for Riverdale’s Black students.

After devising a plan to bring in some money at the Babylonium, Veronica learns somebody may be sabotaging her. After beginning sessions with Dr. Werthers, Betty begins to question his motives.

Jughead and Tabitha team up to investigate a mystery involving Brad Rayberry. Cheryl asks Toni if she can attend an afterschool book club with her. Betty and Veronica ask Archie and Reggie out on a double date, and Fangs prepares for his first big gig.

Veronica decides to host a ghost show after learning that Riverdale doesn’t celebrate Halloween the way she’s use to in LA. Betty makes the most out of her night out with Archie and Reggie and Jughead makes a major discovery in a mystery brewing in Riverdale.

Archie and Reggie lean on each other as they prepare for their big basketball game against Stonewall Prep. Meanwhile, as they deal with ongoing issues with their parents, Betty and Veronica decide to throw a slumber party with Kevin and Clay.

Panic ensues after the gang learn that Mrs. Thornton is accused of being a communist. Cheryl’s father forces her to out gay students at Riverdale High or risk losing power over the Vixens. Hiram’s surprise arrival to town is quickly met with suspicion by Veronica.

After Principal Featherhead agrees to let Kevin present him with an original musical written by him and Clay, Kevin learns the group might not be as into it as he had hoped. Elsewhere, musical rehearsals prompt Archie to question what he wants in life.

It’s time for the town’s annual Miss Teen Riverdale pageant and Betty, Veronica, Cheryl and Toni each have their own reasons for entering. However, when Alice doesn’t allow Ethel to enter the pageant, the girls band together to make sure she has a fighting chance.

Veronica sets up a screening at the Babylonium after Julian gets his hands on a stag film and invites the guys over for a watch party. Betty unexpectedly reunites with Polly and learns about her sister’s new life in New York. Jughead goes to war with Dr. Werthers.

Betty enlists help from Cheryl and Toni after deciding she’s going to publish her own book. Veronica, Kevin and Clay host Hollywood movie star Josie McCoy, who is in town for her latest film. Archie’s attempt to take his poetry to the next level doesn’t go as planned.

As the gang gets swept up in Cold War paranoia, a new mystery brewing in Riverdale leads Jughead to suspect it may have ties to a string of suspicious murders in town. Archie reconsiders his future after Uncle Frank gives him a hard time.

As the town’s past secrets start to bubble to the surface, Jughead and the gang are forced to make a difficult decision that will change each of their lives forever.

Back in present day, 86-year-old Betty turns to a special friend to help her relive her last day of senior year with her friends as they were, their memories restored.