The Automatron trailer is the trailer for the Fallout 4 add-on, Automatron. It was released on March 14, 2016. It features the voices of Ada, Jezebel, and the Mechanist, while showcasing the new robots and mechanics of the add-on.
(Ada) This is the third time we've been attacked by robots like these. It's time to uncover the source and confront their leader. I ask your assistance in stopping this Mechanist. (Jezebel) You see junk; I see the building blocks of life... mine in particular. (Ada) The final confrontation awaits; I only hope we both live to see it. (The Mechanist) Now you'll face the full might of The Mechanist! Come, my robots! Let's finish this!”
Fallout 4 - Automatron Official Trailer