Season 3 had quite a few Martha and Jonathan free episodes. "The Dad Who Came In From the Cold" comes to mind the fastest. It in some ways represents Clark moving out of his parents shadow. He is stressing a lot about being a parent, but he never turns to his own parents to ask questions about it. I don't think we get M&J show up in "Never on a Sunday" either.
I don't think they ever actually went all the way between commercial breaks without showing Lois and Clark. Of course in Season 1 they had a bunch of scenes that were not really connected with the show, like the start of "Pheremone My Lovely" with Clark using his eyes to cook his eggs/Superman rushing in to save the recycling from going in the trash.
Although, maybe my view is a bit skewed. When I watch some episodes I skip through the Lois and Clark free parts. That is the parts with neither Lois nor Clark.
Come to think of it I don't think M&J show up in "Ghosts", and I am not remembering anyone else showing up in "I Got You Under My Skin" but Lois and Clark, but I may need to think harder.
I am not sure we actually see Perry in the first episode with Tempus, despite all the talk about it being his birthday.
Do M&J show up at all in the Lex Jr. arc?
Also, I am pretty sure M&J don't show up in "Smart Kids". At least they are not listed in the script.
