Dragon Ball Super

Season 1, Episode 52

Episode Title: Master and Pupil Reunited! Gohan and "Future" Trunks!

Air Date: 2016-07-17

Overview:

Piccolo mentions that Gohan decided to abandon his training to become a scholar, which suprised Future Trunks. Piccolo and Kuririn suggest that Future Trunks should meet their timeline's Gohan.