# "Why?" Files: The Case of Physical Fitness Challenge

The Tree House Detectives are eager to win the Presidential Physical Fitness Award, but one of the detectives is not quite up to the challenge. They decide that it is time for a little research to learn more about being fit. They visit NASA to learn more about muscles, bones and physical activity and find out why fitness is the key to space exploration. To license this film and get a higher quality version for broadcast/film purposes, contact A/V Geeks LLC .

- Kind: Film
- Year: 2005
- By: NASA
- Genres: Space, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/case_of_the_physical_fitness_challenge)
- Licence or status: none stated by the archive
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/case_of_the_physical_fitness_challenge?play=1)