Riverdale

All the couples are mixed up.

Both long-running series will bow this summer.

"It's probably, weirdly, our most grounded season," showrunner Roberto Aguirre-Sacasa tells EW.

'You can only be so much of an adult on a CW show, because you're not even really allowed to kiss with tongue.'

"It's as close to a blank canvas as you can get without it being a completely new show," showrunner Roberto Aguirre-Sacasa says.