First make a backup copy of the file torment.ini. Then open up the original with any text editor and look for the [Movies] section. Edit to something similar to the following:

[Movies]
BISLOGO=1
TSRLOGO=1
OPENING=1
SS_MSLAB=1
SIGIL=1
TIME=1
SS_PHARD=1
SS_ADETH=1
ALYBIRTH=1
DEATH=1
MAZE1=1
CURSTD=1
OUTLANDS=1
BAATOR=1
CARCERI=1
CRETURN=1
FORTRESS=1
FORTDOOR=1
ARRV_IGN=1
T1ENTER=1
METEOR=1
DRAGON=1
T1ABSORB=1
FINALE=1
CONFLAG=1
T1DEATH=1
RUNE=1