As of December 2014, there is no indication the show will be released on DVD.
Its in the Alice in wonderland world. Just click on the picture of the mad hatter.
Yes, Jefferson and his daughter are reunited in the show Once Upon A Time.
The cast of Once Upon a Time - 1979 includes: Mark Wynter as Himself - Presenter
The cast of Once Upon a Time in the Bronx - 1994 includes: Anthony Boston
The cast of Once Upon a Many Time - 2010 includes: Ugljesa Cvijanovic
Once Upon a Time in Wonderland - 2013 Trust Me 1-2 was released on: USA: 17 October 2013
Once Upon a Time in Wonderland - 2013 And They Lived--- 1-13 was released on: USA: 3 April 2014
Once Upon a Time in Wonderland - 2013 The Serpent 1-4 was released on: USA: 7 November 2013
Once Upon a Time in Wonderland - 2013 Bad Blood - 1.7 was released on: USA: 5 December 2013
Once Upon a Time in Wonderland - 2013 To Catch a Thief 1-12 was released on: USA: 27 March 2014
Once Upon a Time in Wonderland - 2013 Heart of Stone 1-5 was released on: USA: 14 November 2013
Once Upon a Time in Wonderland - 2013 Down the Rabbit Hole 1-1 was released on: USA: 10 October 2013
Once Upon a Time in Wonderland - 2013 is rated/received certificates of: USA:TV-PG (TV rating)
Once Upon a Time in Wonderland - 2013 Forget Me Not 1-3 is rated/received certificates of: USA:TV-14
Once Upon a Time in Wonderland - 2013 Trust Me 1-2 is rated/received certificates of: USA:TV-PG
Once Upon a Time in Wonderland - 2013 The Serpent 1-4 is rated/received certificates of: USA:TV-14
Once Upon a Time in Wonderland - 2013 Home 1-8 is rated/received certificates of: USA:TV-PG