Just the Ten of Us

Betrayal (3x1)

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Wendy and Cindy go out on a double-date. But Cindy's date, Cort, is more interested in Wendy than the girl on his arm. Cort breaks a date to go to an Oingo Boingo concert with Cindy and takes Wendy instead. Marie realizes what's going on, so she coaxes Cindy into giving Wendy a taste of her own medicine by going out with Wendy's boyfriend, Blitz.