|又名：||河谷小镇 / 河谷探秘|
|官方剧情：||While navigating the troubled waters of romance, school and family, Archie and his gang become entangled in dark Riverdale mysteries.|
|第 5 季||共 7 集|
|第 1 集|
Chapter Seventy-Seven: Climax
Betty and Jughead's investigation into the auteur leads them to the discovery of a secret underground for red-band screenings. Elsewhere, in order to impress the visiting Naval Academy Commandant, Archie agrees to participate in a boxing exhibition against another candidate - KO Kelly. Meanwhile, as Cheryl prepares for prom, she stumbles upon a major secret that Toni's been keeping from her.
|第 2 集|
Chapter Seventy-Eight: The Preppy Murders
Betty and Jughead's investigation into the auteur takes a twisted turn after receiving a call from Bret. Meanwhile, Archie is forced to make an impossible decision when the person responsible for his father's death needs his help. Elsewhere, Veronica and Hermosa come up with a plan to force Hiram into early retirement, and Cheryl makes a business move.
|第 3 集|
Chapter Seventy-Nine: Graduation
With Graduation Day around the corner, the gang consider their next steps beyond Riverdale High. Archie learns whether he will be able to graduate with his classmates. FP makes a difficult decision about his and Jellybean's future.
|第 4 集|
Chapter Eighty: Purgatorio
After spending seven years away from Riverdale, Archie returns to find the town is now under Hiram Lodge's grip and on the verge of becoming a ghost town. When Toni catches him up on what's been going on, Archie reaches out to the rest of the gang to return home.
|第 5 集|
Chapter Eighty-One: The Homecoming
Toni, Alice, Archie and Kevin fight to keep Riverdale High's doors open after learning that its budget had been cut by Hiram Lodge. Veronica gets creative when she discovers Chad is having her followed. Jughead starts a new job after debt collectors show up in Riverdale.
|第 6 集|
Archie, Betty, Veronica and Jughead prepare for their first day as Riverdale High's newest teachers. Veronica introduces her husband Chad to the group after he shows up unexpectedly in Riverdale. After realizing they are out of funds, Archie and Toni turn to Cheryl for help restarting the football and cheer teams. Finally, Betty, Kevin and Alice follow a lead after learning that Polly may be in trouble.
|第 7 集|
Chapter Eighty-Three: Fire in the Sky
Following in his Grandpa Artie's footsteps, Archie begins to recruit Riverdale's new volunteer fire department. Toni's attempt to lure Cheryl out of Thornhill and back into daily life in Riverdale leads to more tension between the two. Elsewhere, Betty, Alice and Kevin's latest investigation leads them into conflict with Hiram. Finally, as Veronica comes up with a risky plan to support Riverdale's local businesses, Jughead and Tabitha begin to unravel an old mystery surrounding some strange sightings in the town.