Episodes don’t resume where you pause on Smart tv
How to resume programs where you left off instead of fast forwarding every time.
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Possibly there is something off about your account that this information isn’t stored.
Watch progress is to be stored online as an account property. Please contact the Apple Support staff about why it isn’t working for you, and what they or you can do about it. Contact Apple for support and service (phone numbers) or start your support request online (chat/email/callback).