Mad About You (1992)

S2E22 Storms We Cannot Weather

Despite feeling uneasy about Jamie's easygoing nature towards her younger college friends, Paul agrees to join them for a blind date that Jamie has set up for Nick and Fran. During their conversation about a concept for a film featuring the world's fastest cook, Paul is taken aback to realize that the waiter at Riff's is actually Mark, Fran's ex-husband...