Yes, you can safely freeze dates.
Freeze - 1984 VG was released on: USA: October 1984
Freeze Frame - 1993 TV was released on: USA: 1 August 1993
Deep Freeze Squeeze - 1964 was released on: USA: 1 March 1964
Freeze a Jolly Good Fellow - 1973 was released on: USA: 1 June 1973
Chowder - 2007 The Brain Freeze - 2.16 was released on: USA: 9 July 2009
Gardening by the Yard - 2004 Spring Freeze was released on: USA: 16 March 2008
The Jeffersons - 1975 The Freeze In 5-24 was released on: USA: 18 April 1979
Bronco - 1958 Freeze-Out 1-8 was released on: USA: 30 December 1958
Cold War - 1998 Freeze 1-19 was released on: USA: 1998
The League - 2009 The Freeze Out 4-3 was released on: USA: 25 October 2012
Wrecked - 2012 Seattle Freeze 2-4 was released on: USA: 3 June 2013
Batman - 1966 Deep Freeze 2-20 was released on: USA: 10 November 1966