Cast members of the NBC sitcom Superstore celebrate their 100th episode while wearing masks to prevent the spread of Covid-19. | Greg Gayne/NBC

Here’s how production is happening during a TV season unlike any other.

After a frenzied spring and summer, when Covid-19 production delays left some in the television industry wondering if there would even be a fall TV season, we’ve finally reached a point where shows on the big broadcast networks — ABC, CBS, The CW, Fox, and NBC — are starting to come back. Most of them are premiering four to six weeks later than usual because of those production delays.

And if you’ve started watching any of them, you might have already noticed they look … different.

They don’t have animated sequences or actors kissing mannequins — both early experiments in keeping TV production rolling during a deeply uncertain time. They