Diff'rent Strokes (1978)

S2E24 The Slumber Party

Mr. Drummond quickly realizes that letting Willis take charge during Kimberly's slumber party was a poor decision when the resulting mayhem interrupts his romantic evening with a charming woman. The episode features guest appearances from the stars of The Facts of Life, including Mindy Cohn, Kim Fields, Julie Anne Haddock, and Molly Ringwald.