Popular movies endpoint has release_date field it seems non-null , but John Wick Chapter 5 returns like this .

{
"adult": false,
"backdrop_path": null,
"genre_ids": [
28,
80
],
"id": 730629,
"original_language": "en",
"original_title": "John Wick: Chapter 5",
"overview": "The fifth instalment in the John Wick franchise, confirmed to be in development.",
"popularity": 970.346,
"poster_path": "/A1Z4TjH3xqu4rHwAgLM3LX89luC.jpg",
"title": "John Wick: Chapter 5",
"video": false,
"vote_average": 0,
"vote_count": 0
},

As you can see there is no release_date field.