As Time Goes By (1992)

S1E6 The Picnic

In "The Picnic," Jean and Lionel find themselves enjoying the romantic advances of Alistair and Judith, yet they agree that the current situation can't persist. Jean proposes a picnic, wagering that the outing will spark a connection between Judith and Alistair. However, as the day unfolds, it becomes apparent that the real chemistry may develop between Jean and Lionel instead.