At anytime you can:
(1) Go to You Tube
(2) Type "Big Review TV" into the search box.
or,
(2a) go to link:
https://www.youtube.com/results?search_query=big review tv
read off the 2nd line of the first item which shows the
number of video posted.
As at 3:15pm, 28/4/2017, it is 21,784.