Question: What franchise did both R2-D2 and Luke Skywalker appear in?
Sentence (from "R2-D2"): Throughout the course of the films, he joins or supports Padmé Amidala, Anakin Skywalker, Leia Organa, Luke Skywalker, and Obi-Wan Kenobi in various points in the saga.
Relevant evidence: No