The first episode seemed to have more of a Bewitched vibe than the second. The whole "boss coming to dinner" and "wife uses magic to solve the problem" story seemed very much a Darin and Samantha situation. There were, of course, multiple elements, and I think the real genius of the show so far is that it always feels completely original, with subtle twists that harken back to older shows, without any blatant or cliche homage at work.
The second episode reminded me perhaps a bit of I Love Lucy, with Wanda evoking a bit of Lucille Ball while trying to navigate the magic act, but then, the scene in the library and the wives get-together were unlike anything specific I can name.
All in all, it's been quite genius in how it has gone about creating something new while harkening back to the past without ever directly copying, or even referencing, anything from that past.