No, the single panel is extended throughout the entire video. Look towards the top of the video....
Spoiler #9 is already up when the video starts, and at touchdown (00:16) spoilers #7 and #11 pop up.
At 00:50 #7 and #11 are stowed, leaving the single #9 still extended...
Spoilers #8, #10, and #12 remain stowed throughout the entire video...
