The dangers of no briefing videos

[Kilkakon]

If the first mission in a "Start New Game" campaign (I haven't tested later missions) has a win or lose video and no intro, briefing or action video, this can occur:

 

To fix this, be sure to set any video to occur before the mission starts!

[Nyerguds]

Ohhhboy. Looks like that skips some buffer clearing

 

Wait, what? How would the videos after the missions be affected by those configured at the start?! O_o

[Kilkakon]

Your guess is as good as mine :|