While no mention is ever made of them moving, the guys are now living in a 2 bedroom apartment, in a different building as shown by the exterior shots.
This is the first appearance of the character Harriet Winslow. The character would later receive a spin-off, Family Matters (1989).
This season opener includes their theme song edited down, and new opening credits with scenes of the two around famous Chicago landmarks.
This episode marks the last mention of the Ritz Discount Store or the cousins former boss Mr. Twinkacetti.