Diff'rent Strokes

Skin Deep or True Blue (a.k.a.) Guess Who? (2x22)

: 20, 1980

Kimberly's new beau, Roger, suggests pairing his sister with Willis for a double-date, until he finds out the color of his true love's brother. When Kimberly discovers her new friend is a bigot, her face burns red and then a far darker shade.