According to EW, the show “went full midcentury sitcom, filming in classic black and white in front of a live studio audience.” The entire live audience had to sign NDAs (non disclosure agreements) to prevent spoilers from leaking.
“The show is a love letter to the golden age of television,” WandaVision head writer Jac Schaeffer said. “We’re paying tribute and honoring all of these incredible shows and people who came before us, [but] we’re also trying to blaze new territory.”
“I already felt like I had ownership of her because Marvel always encourages you to be part of the process,” Elizabeth added about her character’s development. “But even more so now, I feel I have a really strong sense of ownership. If anyone wanted to ask me a question about the future or just a question about what she would think, I feel like this time has provided that.”