One of the pleasures of watching network TV is seeing how the show shifts and changes as the creative team sees what is working and what is not. Less frequent but also compelling is watching how a sitcom’s sets change and evolve, as the home does in ABC’s “Shifting Gears.”

ABC’s most-watched series premiere on streaming platforms, “Shifting Gears” stars Tim Allen and Kat Dennings as an estranged father and daughter who find themselves living together with her two children. And that means heavy play for that classic of all sitcom tropes: a living room set.

”There’s a growth curve,” production designer Stephan Olson told Indiewire. “It’s just a huge learning process for the characters [and] what the house is like. The house changes with these new characters in it.”

One thing that gradually changes is what Olson called “sitcom clutter.” When “Shifting Gears” begins, Matt...