How many episodes does steven universe season 1 have?
No context provided
How many episodes does steven universe season 1 have in total?
53
No context provided
How many episodes does steven universe season 1 have that actually aired during the first season?
49
No context provided
How many first season episodes does steven universe season 1 have that actually aired during the second season?
4
List of Steven Universe episodes
https://en.wikipedia.org/wiki/List%20of%20Steven%20Universe%20episodes
Steven Universe
https://en.wikipedia.org/wiki/Steven%20Universe
Steven Universe is an American animated television series created by Rebecca Sugar for Cartoon Network. 
List of Steven Universe episodes
 Its pilot was first shown in May 2013, and the series ran for five seasons, from November 2013 to January 2019.
Steven Universe Episodes
Steven Universe is an American animated television series created by Rebecca Sugar for Cartoon Network which ran for five seasons. Season 1 had a total of 53 episodes, however, only 49 of them actually aired during the first season and the other 4 were aired during the second season.