The way round this is, once the clip has played, go to internet options>Temp internet filoes>settings>view files. Move or copy the requesite file (usually near the end of the list) into a folder of your choice. A bit convoluted but works.
Galaxy Note 8 vs iPhone X
Awful clip art from 1994 is being tweeted every hour by a bot
iPhone X vs Samsung Galaxy Note 8
Les meilleurs navigateurs internet 2017