Glover spoke to Cinemablend at Comic-Con and stated that he really wants to do a Back to the Future episode, has an idea for it, but it isn’t well-formed. That resulted in the following exchange between co-star Gillian Jacobs and Glover.
Glover: It’s really hard to do. Time travel is already hard.
Jacobs: We can’t actually break the laws of physics.
Glover: We’ve never had actual magic on the show. Time travel is tricky. It would have to be some sort of, like, mistake. But a mistake big enough that it can sustain a whole episode, but also small enough that it doesn’t fuck up the rest of the world. So it’s hard. I had an idea, but it’s not well-formed.