Spoiler alert: The following article contains spoilers from Pretty Little Liars: Summer School episode 6.
Summary
The world ofPretty Little Liars: Summer Schoolis constantly expanding, and episode 6 seemingly confirmed its connection to the CW teen drama television showRiverdale. Max’s slasher mystery series,created by Roberto Aguirre-Sacasa (who also developedRiverdale)and Lindsay Calhoon Bring, isa spinoff of the originalPretty Little Liars, meaning that it also takes place in the same universe as the popular Freeform show. However, Aguirre-Sacasa has made it his mission to connect his latest project to the one he is undoubtedly most known for.
New episodes ofPretty Little Liars: Summer Schoolpremiere on Thursdays on Max.

Pretty Little Liarson Max follows a new group of Liars, consisting of Imogen, Tabby, Faran, Mouse, and Noa, but it ventures more into the horror genre than the first series ever did.Original Sin, the spinoff’s first season, featured the girls facing Max’s (much more creepy) version of “A,” andSummer School, aka season 2, has the group of teenagers going up againsta new villain known as Bloody Rose. Outside the horrific tests and brutal murders,Pretty Little Liars: Summer Schoolstill finds time for light-hearted moments, likeone character casually name-dropping aRiverdalecharacterin conversation.
Greg Is Related To A Riverdale Character In Pretty Little Liars: Summer School
Kevin Keller Is Greg’s Cousin
Towards the end ofPretty Little Liars: Summer Schoolepisode 6, Greg approaches Faran at the pool’s Pride party to apologize for being involved with “Redemption House” and shows her how he is trying to be a better person. Greg explains that he quit “Redemption House” and broke up with Kelly. He also slips in thathe is an ally to the LGBTQ+ community because he has a gay cousin named Kevin who lives in Riverdale(and Greg claims he would never want to do anything to hurt his cousin).
Elias Kacavas
Greg Mantzoukas
Greg is obviously referring toRiverdale’s Kevin Keller, who was played by Casey Cott in all seven seasons of the CW series. So, in a surprise turn of events, aPretty Little Liars: Summer Schoolcharacteris related to Kevin fromRiverdale. However, what is possibly even more shocking is that Greg is the one whose cousin is Kevin.
Pretty Little Liars: Summer School Soundtrack Guide - Every Song & When They Play
The Max slasher teen drama television series Pretty Little Liars returns with season 2, subtitled Summer School, and a soundtrack of new songs.
Pretty Little Liars: Original Sin Already Confirmed The Riverdale Connection
Season 1 Referenced The Sisters Of Quiet Mercy
Greg’sRiverdalereference inPretty Little Liars: Summer Schoolepisode 6 isn’t the first time the slasher drama has mentioned Roberto Aguirre-Sacasa’s previous show. In the first season,Original Sin, Tabby and Imogen ventured to Rosewood, where they spoke with the Radley Sanitarium’s former orderly, Eddie Lamb. Eddie explained thatAngela Waters' mother (Rose Waters) had been transferred to the Sisters of Quiet Mercyafter the Radley closed. AsRiverdalefans know, the Sisters of Quiet Mercy was a horrific establishment featured throughout the CW series, meaning that Max’sPretty Little Liarsbecame connected toRiverdalein season 1.
Pretty Little Liars: Original Sin
Cast
The dramatic slasher/horror mystery franchise returns with Pretty Little Liars: Original Sin, created for HBO Max. Connecting to the original series, Original Sin follows a group of teen girls terrorized by a mysterious killer named “A.” Being held responsible for a terrible tragedy committed by their mothers over twenty years ago, the girls must uncover the truth of the incident to end the terror of Millwood, Pennsylvania - and to survive. Season 2 of the series was released in May 2024 and is subtitled Summer School.

