Misc: In 1854 Frederick---------- , Arms manufacturer, born?

Questions

What TV show with married couples and family life appealed to those over the age of 29?

What rock magazine that came out in the eighties is now Rolling Stone's major competitor?

Which movie prompted the style of wearing cutoff sweatshirts over the shoulder?

In which Fox TV show did Johnny Dep play an undercover cop in high school?

Which TV show portrayed the lives of performing arts high school students?