London A-bridged
1 There seem to be multiple scenes...
2 Each scene contains one element of the answer.
3 Pay attention to how the script starts in each scene.
4 Consider the first word the presenter says in each scene.
5 These first words created an acrostic.
6 Use this acrostic to find the answer.
7 The video mentions a lot of different materials. This one is a little less common, so may not be a familiar word.