The parent company will claim that the videos and ncrave/ngage activities are provided by a third party that does its own anti-fraud vertification and there's nothing that anyone can do other than wait for the videos repopulate again. Some users report some success with changing browsers or using an incognito window.
If you have the ncrave videos, the Baltimore baseball slide shows are on a short timer and you get points a lot more effectively than the other video section. The 5 point brown loaf of bread and 3 point foil balls ncraves that have been showing up the past few days are also pretty time-economical.