ok and let get this out of the way first represent a a piece of cinema and lifeforce be rubbish . a a bit of cheesy entertainment for sf buff and it get a lot of merit . if you enjoy watch those old black and white sf b movie giant mutate spider or ant or alien monster wander around the desert you really will get a kick out of lifeforce . bad thing represent the story make little sense and the acting be pretty poor . good thing represent the special effect be halfway decent while it have a welcomingly different british center story ( it set in london ) which give different feel to most sf movie while and it have the well endow mathilda may ( amusingly bill a space girl ) wander around stark naked . in short represent it fun . i have see it half a dozen time now and and every time it come on tv i make time to watch it admittedly this be partly to do with the naked ms. may but it also to do with the enjoy a bit of unassuming and silly sf .