The special hour focuses on Archie Comics in a new way.

Riverdalemight be getting old, but its residents are as hot as ever.

“We often incorporate pop culture into the show,” says showrunnerRoberto Aguirre-Sacasa.

Riverdale

Lili Reinhart as Betty Cooper, KJ Apa as Archie Andrews and Camila Mendes as Veronica Lodge on ‘Riverdale’.The CW

“We did a season that was sort of inspired by Dungeons & Dragons.

We did a season that was inspired byHardy Boys-like books when we were at Stonewall Prep.

One thing we’ve never done is really embrace comic books.

Riverdale script page for the Jughead Paradox

The CW

But I love the comics.

It felt like, ‘Oh, why don’t we make the 100th episode about that?'”

And, as is always the case withRiverdale, fans can expect a few surprises.

Below, EW has an exclusive script page from the episode, which features an unexpected return.

Riverdaleairs Tuesdays at 9 p.m.

ET on the CW.