Free download the proper iPod movie to computer transfer and then install. Run the transfer after you make sure the iPad have been connected to computer.
When the interface of the program appears as the below screen, you can go to the "Movie" menu to mark the movie you need to copy to PC.

To get the export of the movies, you need to click the "Export" icon and set the "Export to Disk Only" icon to get the direction of the output.

Bingo! Isn't it so easy to get whole process done? If you need to copy other files of iPod/iPhone/iPad, just repeat the steps above.
please feel free to download iPod to Computer Transfer here.

For Mac users, please refer to iPod to Mac Transfer copy movies from iPad to Mac.
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