The Mr- Potato Head Show - 1998 Secret Agent Mania 1-4 was released on:
USA: October 1998
You can order them on-line. Search for the sea mania or zoo mania name with "vending" as part of the search. Shouldn't have to be a secret... someone should have given you the answer by now.
Highway Mania - 1937 was released on: USA: 1937
Love Mania - 2012 was released on: USA: 2012
Transylvania Mania - 1968 was released on: USA: 26 March 1968
Spider-Mania - 2001 TV was released on: USA: 2001
Radio-Mania - 1922 was released on: USA: 27 December 1922
Movie-Mania - 1937 was released on: USA: 8 May 1937
Harlem-Mania - 1929 was released on: USA: 22 July 1929
Samba-Mania - 1948 was released on: USA: 27 February 1948 USA: 2 September 1952 (re-release)
Tazz-Mania - 1982 VG was released on: USA: July 1982
Fast Food Mania - 2012 was released on: USA: June 2012
Skit-Mania - 2013 was released on: USA: 25 April 2013 (DVD premiere)