The following video tutorials are available to help get started with Tableau. You can watch the entire "Introduction to Tableau" video (37:49 runtime), which covers all topics listed below, or you can jump directly to a specific topic.
List of Topics:
Part 1 - Getting Started (4:36 runtime)
Part 2 - Connecting Data to Tableau (4:57 runtime)
Part 3 - Tableau Interface (6:07 runtime)
Part 4 - Creating Bar Charts (10:35 runtime)
Part 5 - Creating Pie Charts (1:04 runtime)
Part 6 - Creating Line Charts (2:26 runtime)
Part 7 - Creating Maps (5:54 runtime)
Part 8 - Creating Dashboards (3:40 runtime)