December 6, 1985 intro - 8AM Eastern Time
December 18, 1985 intro - 8:30AM Eastern Time
January 29, 1986 outro (the day after the Space Shuttle Challenger disaster)
May 15, 1986 intro - 8AM Eastern Time
Onscreen bug from 1995-1996
Onscreen bug from 1996-1998
Onscreen bug from 1998-2002
Onscreen bug from 2002-2007
Onscreen bug from 2007-2010 (A)
Onscreen bug from 2007-2008 (B)
Onscreen bug from 2008-2010 (B)
Onscreen bug from 2010-2012 (A)
Onscreen bug from 2010-2012 (B)
Onscreen bug from 2012-2015 (A)
Onscreen bug from 2012-2013 (B)
Onscreen bug from 2013-2015 (B)
Onscreen bug from 2015 (A)
Onscreen bug from 2015 (B)
Onscreen bug from 2015-2018 (A)
Onscreen bug from 2015-2018 (B)
Onscreen bug from 2017-2018 (C)
Onscreen bug from 2018-2019 (A)
Onscreen bug from 2018-2019 (B)
Onscreen bug from 2018-2019 (C)
Onscreen bug from 2019-present (A)
Onscreen bug from 2019-2021 (B)
Onscreen bug from 2019-2020 (C)
Onscreen bug from 2020-2021 (C)
Onscreen bug from 2021-present (B)
Onscreen bug from 2021-present (C)