Searching for Email Addresses (1'23"). This video shows how you can search for information (such as somebody's email address) that is buried somewhere in the files and folders on your computer, and find exactly what you want.
Updating Copyright Statements (1'50"). This video shows how you can quickly update a multitude files with powerful search and replace operations using regular expressions, such as updating the copyright statements on your web site, in your source code, etc.
File Selector Overview (1'39"). PowerGREP provides a lot of options to restrict the search to only those files you're interested in.
Action Overview (14'11"). PowerGREP offers you a wealth of searching and text processing capabilities. This video provides an overview of PowerGREP's action types and the settings they provide on the Action panel: simple search, search, collect data, list files, file name search, rename files, search-and-replace, search-and-delete, merge files, and split files.