She's Back Family Matters : Season 7 Episode 6

Jaleel White has a dual role as Myrtle, Urkel's visiting cousin from Biloxi - who shows plenty of moxie when she squares off with Greta for Eddie's affections. The Winslows breathe a sigh of relief when Steve goes away to visit his parents in Russia. Unfortunately, Steve's Southern belle cousin, Myrtle Urkel, appears to pursue her true love - Eddie.