Executive producer Roberto Aguirre-Sacasa also spoke to ET about Archie's 'heroic journey' after the shocking first season closer.
The 49-year-old actress makes her 'Riverdale' debut on Thursday.
ET sat down with the 'Riverdale' star, where she also shared whether her own kids have seen any of their famous mom's movies.
K.J. Apa, Luke Perry and Cole Sprouse weigh in on what's next after Thursday's episode.
Molly Ringwald is finally making her 'Riverdale' debut!
Only ET has your exclusive first look at Molly Ringwald's 'Riverdale' debut as Archie Andrew's mom!
The 'stage moms' definitely couldn't keep their cool.
The teenage girls walked for J. Crew, and had their moms on hand backstage.
Fill that 'One Tree Hill'-shaped hole in your heart with The CW's broody new twist on Archie Comics.
Howard Deutch opens up to ETonline about directing the iconic teen film and working with John Hughes.
Don't you forget about Molly Ringwald.
The stars of the John Hughes classic gathered for the 30th anniversary screening at SXSW.
'The Breakfast Club' turns 30! ET was on the set of the John Hughes flick back in 1984.