For more information and to purchase online:

Hey Dude - Season 1
http://www.amazon.com/exec/obidos/ASIN/B004LROMVG/ref=nosim/happydaysonline3-20

Hey Dude - Season 2
http://www.amazon.com/exec/obidos/ASIN/B005SQRYE6/ref=nosim/happydaysonline3-20

Hey Dude - Season 3
http://www.amazon.com/exec/obidos/ASIN/B007I1Q4Q8/ref=nosim/happydaysonline3-20

Hey Dude - Season 4 (Shout! Factory)
http://www.jdoqocy.com/click-3848399-10768631?url=https://www.shoutfactory.com/?q=node/216702

Hey Dude - Season 4 (Amazon.com)
http://www.amazon.com/exec/obidos/ASIN/B00BXPMJL4/ref=nosim/happydaysonline3-20