Second City Firsts, also of 30 minutes duration, fulfilled much the same role.
New York City | Mexico City | Kansas City, Missouri | Kansas City | Salt Lake City | Quebec City | Oklahoma City | City of London | city | Vatican City | New York City Subway | Panama City | Kansas City Chiefs | Kansas City Royals | Sex and the City | Mayor of New York City | Atlantic City, New Jersey | Utrecht (city) | Cork (city) | New York City Ballet | Manchester City F.C. | Jersey City, New Jersey | New York City Opera | Guatemala City | Atlantic City | Quezon City | City College of New York | Ho Chi Minh City | Groningen (city) | Birmingham City F.C. |