G.I. Samurai was created in 1979.
No, The Six Samurai Cards were only ever released as Trading Cards, and not in the Episodes itself
The Daughter of the Samurai was created in 1937.
Samurai Shodown was created in 1993.
Samurai Cowboy was created in 1993.
Afro Samurai was created in 2007.
Samurai Samba was created in 1985.
The Lone Samurai was created in 2004.
Samurai Spy was created in 1965.
Samurai Vendetta was created in 1959.
Samurai Trilogy was created in 1954.
Samurai Widow was created in 1990.
Samurai Banners was created in 1969.