The anime BD/DVD release of “Steins;Gate 0″ is being listed as having a total of 23 episodes plus 1 unaired. Airs April, 

STAFF

• Director: Kenichi Kawamura
  
• Series Composition: Jukki Hanada
  
• Character Designer: Tomoshige Inayoshi
  
• OP Theme: Kanako Itou
• ED Theme: Zwei
• Animation Production: White Fox
  

Source: http://shop.tsutaya.co.jp/dvd/product/4571436949035/