Successfully complete Arcade mode with a character to unlock his or her prologue 
and ending movies at the "Gallery" menu.
Zangief, Ryu, Ken, E.Honda, Guile, Chun-Li, and Blanka

Dhalsim, M. Bison, Balrog, Abel, El Fuerte, and Rufus

Sagat, Vega, C.Viper, Sakura, Dan, and Rose

Gouken, Akuma, Cammy, Fei-Long, Gen, and Seth

Successfully complete Arcade mode with both of the indicated characters to 
unlock their versus video:
  Chun Li vs. Crimson Viper video: Successfully complete Arcade mode with Chun 
  Li and Crimson Viper. 
  Gouken vs Akuma video: Successfully complete Arcade mode with Gouken and 
  Akuma. 
  Guile vs. Abel video: Successfully complete Arcade mode with Guile and Abel. 
  Ryu vs. Ken video: Successfully complete Arcade mode with Ryu and Ken. 
  Seth vs. M. Bison video: Successfully complete Arcade mode with Seth and M. 
  Bison.