May the Force be with you:

Drink

Mention of the Dark Side or Light Side of the Force:

Bong hit

Scruffy Headed Nerf-herder:

Eat some acid

Every time the dialogue is awful take a drink

Drink when R2 appears.

If you think that’s not enough for all 9 movies than add C-3PO.

That should have you well paced for all of them without killing you or being too slow.

“I have a bad feeling about this” - drink

R2D2 saying something probably rude - drink

Light saber fight - shot

Someone opens a door by shooting at it - shot

Old Microsoft Movie Maker swipe scene transition - drink