Kiernan Shipka is set to reprise her role as Sabrina Spellman from Chilling Adventures of Sabrina on Season 6 of Riverdale.A tweet from the official Warner Bros. TV account features Shipka sitting in a Riverdale set chair with the name "Sabrina Spellman" on the back. "looks like someone is making the road trip from Greendale to Riverdale…," the tweet reads. "See you in season 6, @kiernanshipka."RELATED: CAOS' Roberto Aguirre-Sacasa Breaks Down Sabrina's Return to Comics

"We've been talking about having Sabrina visit Riverdale since Season 1, so it's thrilling that this is finally happening, as part of our 'Rivervale' special event," showrunner Roberto Aguirre-Sacasa said. "It's also perfect that she shows up to help Cheryl Blossom during her hour of greatest need. Everyone on set lost their minds — I think fans will, too. It's really fun and special."

Sabrina's appearance on Riverdale will come in "The Witching Hour(s)," the fourth episode in Season 6. The description of the episode reads, "Cheryl (Madelaine Petsch) is performing a dangerous spell, one that may mean the difference between life and death for a beloved member of the Blossom family, according to a logline description of the episode. Luckily, she's getting a much needed assist from everybody's favorite 20-something witch, the iconic Sabrina Spellman (Shipka), visiting from Greendale in this years-in-the-making crossover."

When CBR spoke with Aguirre-Sacasa in September, he alluded to the possibility of a Riverdale/Chilling Adventures of Sabrina crossover somewhere down the line. "Absolutely there's hope," he said. "I think Kiernan is up for it. I think it's about finding the right story and making the timing work out. I can't say when but I truly think it will happen."

The Season 5 finale of Riverdale aired Oct. 6.

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Source: The CW