Watch One Day at a Time (2017) Season 4 Episode 1 Online. Best and Free Online streaming for One Day at a Time (2017) TV Show. We picked the best sites to stream s04e01. Simply pick a site below and click "Watch Now!" button next to it. Some of the links may be broken, please upvote the working and good links so other users see those links for One Day at a Time (2017) Season 4 Episode 1 s04e01 at the top of the list.