The Partridge Family (1970)

S4E6 Double Trouble

After the popular girl at school turns down Keith's invitation to the party, saying she has other plans, Laurie decides to help him out by arranging a date with one of her friends. However, the following day, the girl’s plans fall apart, and she unexpectedly agrees to go with Keith after all. Now, he finds himself in a tricky situation with two dates for the same event.