What If the Sun Collided With a Black Hole?

A black hole is on a
collision course with our sun
and you can't do anything
except sit back and watch the
destruction of our entire solar system
How exactly this Crash Course Would Happen ?
Where Would the Black Hole Came from ?
and what would it be like to witness all this from earth ?
Just Imagine if our sun collided with a black hole ?
And You're Watching Just Imagine.