Brandon is an ally of Kelly Taylor in episode one of Beverly Hills , 90210 .
In the first episode , Brandon and Brenda begin attending West Beverly Hills High School , where they befriend several classmates : the popular and promiscuous Kelly Taylor , carefree and spoiled Steve Sanders , smart and driven Andrea Zuckerman , sweet yet ditzy Donna Martin , brooding loner Dylan McKay , and the younger and naive students David Silver and Scott Scanlon .
Beverly Hills, 90210