National Geographic Engage Your Brain Collection
- Genre: Special Interest-Documentary
- Release Date: 8/5/2014
Discover how the brain works through a series of fun science experiments and watch how scientists test hypotheses for real-but-crazy research projects. Enjoy a total of 20 episodes from 3 popular shows: Brain Games; The Numbers Game and Duck Quacks Don't Echo. 20 episodes on 5 DVDs. 2014/color/9 hrs., 38 min/NR/widescreen.