"While on a special mission to the desert planet of Tatooine for the Resistance with R2-D2 and BB-8, C-3PO makes it clear: this protocol droid does not like sand!"--
While C-3PO and BB-8 visit an Ewok village on Endor, R2-D2 wanders into the forest, only to meet a small Ewok in need of his help finding their way back home.