Yes, Season 4 of Ghost Adventures did start and ended, it started on September 17, 2010 with their lockdown of the Gettsburg Orphnage in Gettsburg, Pennsylvania as well as with their additional lockdown of the Jennie Wade House, Season 4 ends on June 10, 2011 which their lockdown of Loretta Lynn's Plantation House.
Season 5 of Ghost Adventures premiered on September 23, 2011.
Season 2 of Ghost Adventures was released on U.S. television starting on June 5, 2009 and Season 3 was released on television starting on October 30, 2009, Season 2 was released on DVD in Region 1 (meaning the U.S.A. and Canada) on September 14, 2010 and Season 3 was released in Region 1 on September 6, 2011.
Yes
My guess is that Ghost Adventures Season 4 DVD will be released sometime in September 2012. But that's just pure speculation.
The show Ghost Adventures sometimes stop because that means that a season has ended. So after a while they will make a new episode and a new season.
Ghost Adventures Season 5 will currently be coming out on DVD on February 25, 2014 however no announcements have been made for the DVD release of Seasons 6 and 7.
The new season of Ghost Adventures in 2011 that started in September on September 23, 2011 and it started with their lockdow of the Ashmore States in Ashmore, Illinois which was the beginning of Season 5 and it ended with their lockdown of the Old Charleston Jail in Charleston, South Carolina in which they had winner of the Ghost Adventures Mashup Video join them for their lockdown.
Yeah, he admits it in Ghost Adventures Season 2.
Yes, the Ghost Adventures crew went to Alcatraz. The episode was part of Season 8 and it was Episode 8 of Season 8. The Alcatraz lockdown episode aired on October 11, 2013.
I think this summer sometime. Look at their website
Yes they are done recording for the first nine seasons of Ghost Adventures however the Ghost Adventures crew is currently airing addtional episodes for the Travel Channel for Season 10 of the show and they will be airing them during the Fall and Winter of 2014.
I am sure they will I hope they do because I live in Minnesota