Can I watch movies on Apple TV?

What movies do you mean?

Select movies (“Apple Originals”) are included with an Apple TV+ subscription.

Thousands of movies from other studios are available for buy or rent from Apple’s iTunes Store.

A selection of movies may be available through in-app channels.

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On what device and model are you trying to watch Apple TV? Some smart TVs get the full Apple TV app, while others get the specialized Apple TV+ app. These editions have different capabilities. Get the Apple TV app or Apple TV+ app on your smart TV or streaming device - Apple Support

With the Apple TV app on your smart TV or third party streaming device, you can access:

• iTunes Store movies and TV shows (buy or rent);
• Apple TV+ channel featuring Apple Originals [1] [2], by subscription;
• Apple TV+ subscribers also get access to Friday Night Baseball in select countries.
• MLS soccer is available as an extra channel, by separate subscription.
• other premium Apple TV app Channels, each by separate subscription.

With the Apple TV+ app on your smart TV, you can access:

• Apple TV+ channel featuring Apple Originals [1] [2], by subscription;
• Apple TV+ subscribers also get access to Friday Night Baseball in select countries.
• MLS soccer is available as an extra channel, by separate subscription.