De or het videotestament?

The correct Dutch article is:

het videotestament

Rule Words ending in -ment: usually het. See the rule

How to use videotestament

the videotestamenthet videotestament
this videotestamentdit videotestament
that videotestamentdat videotestament
our videotestamentons videotestament
your videotestamentjouw videotestament
every videotestamentelk videotestament
which videotestament?welk videotestament?
a big videotestament / the big videotestamenteen groot videotestament, het grote videotestament