The pentatonic scale is the most widely used scale in popular music today. The following are a hand-selected collection of YouTube instructional guitar videos designed to help guitarists learn their pentatonic scales. Start with the first link, and work your way slowly down the list of links. Move on to the next video only after you've fully absorbed, and memorized the material covered.
This video from expertvillage demonstrates the basic, root position pentatonic scale on the guitar. You'll need to learn and memorize this simple scale position before moving on.
YouTube contributor johnhguitar demonstrates how to play the five positions of the pentatonic scale on the guitar.
Joe Cefalu of Shred Academy outlines how to start moving freely from position to position when using pentatonic scales.
YouTube user johnhguitar outlines the close relationship between the major and minor pentatonic scales. This is important knowledge to understand and absorb - once you've learned your minor pentatonic scale patterns, you'll also know your major pentatonic scale patterns.
YouTube user tortoiseutube demonstrates how to switch pentatonic scales over different chord progressions, without switching position on the neck of the guitar.
Here are a few fairly easy pentatonic licks to try. Some experience in string-bending is required.
Peter Vogl demonstrates a few classic blues riffs based on the A minor pentatonic scale.