You can enable Hulu's closed caption feature for assistance with dialog regardless of the device you're using to watch Hulu.

To turn Closed Captions on or off on a Roku device, you can go through the Roku's Accessibility menu, or try pressing the * button on your remote.

then Voice Guide Settings for similar functionality. You can adjust speech rate, pitch, and volume to match your preferences. 2. Turn on closed captions for clearer dialogue Enable captions on Google ...