The English dub for this episode is available through the Crunchyroll Dragon Ball Z collection . Trunks Saga / Androids Saga.

Trunks demonstrates his power by transforming into a Super Saiyan and testing Goku’s strength in a brief sparring match, which Goku effortlessly blocks with a single finger.

Trunks provides Goku with a heart medicine from the future to ensure he survives the coming conflict. Technical Details (Funimation Dub)