Since this is a specific documentary release, you can search for the SRT files on these reliable subtitle databases:

For the best results, ensure the .srt file has the exact same name as your video file (excluding the extension). Video: T-Rex.An.Evolutionary.Journey.2016.WEB.mp4 Subtitle: T-Rex.An.Evolutionary.Journey.2016.WEB.srt

One of the most comprehensive libraries for specific WEB and BluRay releases.

Place both files in the same folder on your computer.

Subtitle T-rex.an.evolutionary.journey.2016.web... -

Since this is a specific documentary release, you can search for the SRT files on these reliable subtitle databases:

For the best results, ensure the .srt file has the exact same name as your video file (excluding the extension). Video: T-Rex.An.Evolutionary.Journey.2016.WEB.mp4 Subtitle: T-Rex.An.Evolutionary.Journey.2016.WEB.srt subtitle T-Rex.An.Evolutionary.Journey.2016.WEB...

One of the most comprehensive libraries for specific WEB and BluRay releases. Since this is a specific documentary release, you

Place both files in the same folder on your computer. subtitle T-Rex.An.Evolutionary.Journey.2016.WEB...