Are you talking about the new films added as part of Peacock?
If so then you’ll need to go the entertainment section and choose the channel “Peacock”. This is where all Peacock content is (inclusive of movies and entertainment shows).
FYI that I do not work for NOW, I am simply a NOW customer trying to help I am a Community Contributor This means that I know a lot about the service and like you I am still a customer. For any account issues you’ll need to contact staff via customer support.