Malcolm in the Middle S04 E09 Grandma Sues

"Family. The weirdest people you'll ever meet."

Grandma Ida is even nastier than usual (if that's possible) because of a tumble down the front steps that resulted in a broken collarbone, prompting her to sue her daughter and son-in-law for pain and suffering. And there's more momentous news on the home front: Lois is pregnant.