Ralston released Urkel-Os in 1991, a strawberry and banana flavored cereal built around the sudden popularity of Steve Urkel from the sitcom Family Matters, with boxes featuring maze games like "help Urkel find Laura." It rode the character's breakout fame for a couple of years before Ralston discontinued it around 1993 as Urkel's cultural moment cooled and the show's ratings began to shift.
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