@Youtube is being dumb. Everytime I'm scrolling through my subscriptions looking at the uploads, I noticed that some uploads arent appearing or have disappeared upon scrolling. I actually had to go the the creator's channel and click on the video from there. I'm so confused. 
That doesn't seem right, if you are using a browser, try clearing cache and cookies. Here's how: https://goo.gl/dwzcyo . If you are using an app, try deleting the app, restarting the device and reinstalling the app. Keep us posted!