Eight on the Lam

Eight on the Lam is a 1967 film directed by George Marshall. It stars Bob Hope and Phyllis Diller.

Henry waits two weeks to see if anyone claims the missing money. No one does, so he splurges on a new car and a diamond ring for Ellie Barton, his fiancee. But when the bank discovers a 50,000 shortage, Henry becomes a prime suspect. He, his family and Ellie take it on the lam to Arizona.A detective, Jasper Lynch, the boyfriend of Golda, is assigned to investigate. Henrys boss at the bank, Pomeroy, is seen with a sexy younger woman, Monica, who has expensive tastes. After a chase, Henry is placed under arrest. His kids hide a tape recorder in Pomeroys pocket, though, and get an admission of guilt. That frees their dad to marry Ellie while the helpful Golda and Jasper do likewise. ........

Source: Wikipedia