Return of the Jedi1983

[Luke refuses to give in to Palpatine's demands and disarms himself.]

Palpatine:
[raising his hands toward Luke] If you will not be turned, you will be destroyed. [Fires lightning bolts at Luke, causing him to fall to the floor in agony. Darth Vader gets up and stands next to Palpatine, watching.] Young fool. Only now, at the end, do you understand. [shoots another round of lightning] Your feeble skills are no match for the power of the dark side! You have paid the price for your lack of vision. [continues shooting lightning]

Luke:
[writhing in agony] Father, please! Help me!

Palpatine:
Now, young Skywalker... you will die. [intensifies lightning blasts]

Darth Vader/Anakin Skywalker:
[looks back and forth at Luke and Palpatine] No. NOOOOOO!!!!! [grabs Palpatine from behind and throws him down into the reactor shaft]