Richard Karn's wife, Tudi Roche, occasionally made appearances on the show as Jill's sister Carrie.

Michigan colleges and universities sent star Tim Allen shirts and sweaters to wear on the air, and he did.

In Season 6: "I Was A Teenage Taylor," Randy, played by Jonathan Taylor Thomas, gives out candy to two trick-or-treaters, who are dressed up as Simba from The Lion King and Buzz Lightyear from Toy Story. Jonathan Taylor Thomas did Simba's voice in the Lion King, and Tim Allen (Tim Taylor) did Buzz's voice in Toy Story. Randy gives more candy to Simba, than to Buzz Lightyear.