In the season three finale, Archie (K.J. Apa) holds Veronica (Camila Mendes) as Betty (Lili Reinhart) looks off into the distance.
The cast, including K.J., Lili and Camila, gathers around the table for a script reading. Oh, to be a fly on the wall in that room!
An all-dressed-up K.J. smiles on set.
Cole added a photo of Hiram (Mark Consuelos) and Archie's boxing match from Season 3, Episode 21, when Veronica wanted Hiram to get arrested.
Cole holding a chicken behind-the-scenes. (This is the first time we have ever been envious of a chicken.)
Back in the Riverdale high school days, Josie and the Pussycats were all the rage, with Hayley Law as Valerie, Asha Bromfield as Melody, Ashleigh Murray as Josie McCoy, and Camila as Veronica Lodge.
Behind the scenes of Riverdale, Cole snapped a shot of Luke Perry taking the mic.
Veronica sports a bowl on her head BTS of the drama series.
Cole ended his nostalgic post with a photo of Madelaine Petsch, with a caption reading, "Been a long run, thanks for sticking through. Happy 100."