Gimme a Break! (1981) : 4x21

Officer Simpson ane the chief go out during a stormy night in Glenlawn, to check upon a bridge that had washed out. When the chief returns home, he shows the family Simpsons clothes, and tells them that an officer reported he saw a cat fall into a river, and an officer jump in to save the cat. The family begins to believe that Simpson was the man who tried to save the cat, since he would do anything for his cat ""Sherlock"", who he hasn't seen in several days. Nell receives an envelope from Simpson which contains $5,000, and she is happy she can go on her vacation with Addy to Hawaai afterall. However, in the end, Joey rushes into the house, telling the family that he found Simpson and Sherlock.