S t e p h e n is allowed to work more than 5 hours of television a week he watches favorite show on Monday which was 1 hour long and his favorite tools to show which was 1.5 hours long how many more hours of television can he watch?

Stephen has already watched a total of 1 + 1.5 = <<1+1.5=2.5>>2.5 hours of television.

Since he is allowed to work more than 2.5 hours of television a week, he can watch 5 - 2.5 = <<5-2.5=2.5>>2.5 more hours of television. Answer: \boxed{2.5}.