Compare the same episode and language
Record the series, episode and intended subtitle language before investigating a mismatch between streaming and a local copy. A different episode or language can have a different completion state. A general claim that the series has subtitles does not establish what was included when your copy was prepared.
For example, a viewer may download early in the week and see more complete subtitles when streaming later. The useful question is when the local copy was made relative to the subtitle update. Treat the download as a prepared edition rather than assuming it continually receives new work while stored offline.
Prepare the desired snapshot while connected
Viki says offline copies include subtitles according to the current completion percentage and the selected default subtitle language. If subtitles later change, its instruction is to re-download the episode to obtain the latest version. Confirm the chosen language before preparing a replacement.
The guide also limits offline use to eligible users, supported mobile apps and one authorised mobile device per account; some titles lack a download action. Check the current eligibility on your account rather than assuming a streaming subscription automatically permits every offline title. A missing download icon and an outdated subtitle copy are different problems.
Protect the travel plan from an unfinished replacement
Before removing a useful local copy, make sure you have time, connectivity and eligibility to obtain the replacement. Inspect the Download tab afterward and confirm the intended episode has completed. A queued replacement is not a finished offline plan.
If the result remains wrong, note the selected language, whether the problem occurs while streaming or offline, and when the copy was made. That evidence lets support distinguish a subtitle update from a device-display problem. Do not assume a rental has the same refresh consequences as a subscription title; consult the rental terms before changing it. This article interprets the official offline guide and does not report a download or subtitle comparison test.
Questions about this guide
Do updated subtitles automatically replace an existing offline track?
Viki says to re-download the episode for the latest subtitles.
Which language is included?
The offline guide ties it to the selected default subtitle language.