The Brady 500 was the pilot 2-hour movie of the The Bradys, the short-lived 1990 spin-off series of the original Brady Bunch series. Written by the original series' creators, father and son Sherwood and Lloyd J. Schwartz, the episode premiered on CBS on February 9, 1990. The movie consists of two 1-hour episodes, "Start Your Engines", and "Here We Grow Again".