Watch Van Helsing Full Movie Free Online 123Movies. In the aftermath of Earth’s nuclear destruction, scientist Jack Van Helsing - descendant of famed vampire hunter, Dr. Van Helsing - joins forces with a team of astronaut survivors. But, when their camp is ambushed by the rogue war machine, Xterminator, Van Helsing again finds himself lost in space. With no planet to call home, the whole universe is the arena for mankind’s wildest battle for survival!