The T1000 (Robert Patrick) is finally melted in a vat of molten steel. To prevent anyone from using his own superior circuitry for the wrong reasons, the T800 (Ah-nold) sinks himself in the vat as well.
The Terminator (1984)
Terminator 3: Rise of the Machines (2003)
Terminator Salvation (2009) We need a spoiler!
Terminator 5 (2014) We need a spoiler!