1983-1988[]
Print variant.
Titlecard.
Sign-on/sign-off/technical fault slide (1983).
Sign-on/sign-off/technical fault slide (1985, 1).
Sign-on/sign-off/technical fault slide (1985, 2).
Sign-on/sign-off/technical fault slide (1986, 1).
Sign-on/sign-off/technical fault slide (1986, 2).
Titlecard (2015 and 2020 recreation).
1988-1990[]
Print variant.
Titlecard.
Sign-on/sign-off/technical fault slide (1988).
Sign-on/sign-off/technical fault slide (1990).
Titlecard (2015 and 2020 recreation).
1990-2000[]
1990-1995[]
Print variant.
Titlecard.
Sign-on/sign-off/technical fault slide (1990, 1).
Sign-on/sign-off/technical fault slide (1990, 2).
Sign-on/sign-off/technical fault slide (1991).
Sign-on/sign-off/technical fault slide (1992).
Sign-on/sign-off/technical fault slide (1994).
Titlecard (2015 and 2020 recreation).
1990 (Sigma's 25th anniversary)[]
Titlecard.
1995-2000[]
Titlecard.
Titlecard (Video Show 2000, 1999).
Sign-on/sign-off/technical fault slide (1995).
Sign-on/sign-off/technical fault slide (1996).
Sign-on/sign-off/technical fault slide (2000).
Titlecard (2015 and 2020 recreation).
1998 (15th anniversary)[]
Titlecard.
2000-2005[]
Titlecard.
Titlecard (Retro 2004, 2004).
Sign-on/sign-off/technical fault slide (2000).
Sign-on/sign-off/technical fault slide (2005).
Titlecard (2015 and 2020 recreation).
2003 (20th anniversary)[]
Titlecard.
2005-2007[]
Titlecard.
Titlecard (Retro 2005, 2005).
Titlecard (Retro 2006, 2006).
Sign-on/sign-off/technical fault slide (2005).
Titlecard (2015 and 2020 recreation).
2007-2008[]
Titlecard.
Titlecard (Retro 2007, 2007).
Sign-on/sign-off/technical fault slide (2007).
Titlecard (2015 and 2020 recreation).
2008-2009[]
Titlecard.
Titlecard (widescreen variant).
Titlecard (Retro 2008, 2008).
Titlecard (Retro 2008, widescreen variant, 2008).
Sign-on/sign-off/technical fault slide (2008, 1).
Sign-on/sign-off/technical fault slide (2008, 2).
2008 (25th anniversary)[]
Titlecard.
Titlecard (widescreen variant).
2009-2013[]
2009-2013[]
2009-2012[]
Titlecard.
Titlecard (widescreen variant).
Titlecard (Retro 2011, 2011).
Sign-on/sign-off/technical fault slide (2009).
2012-2013[]
Titlecard.
Titlecard (widescreen variant).
Sign-on/sign-off/technical fault slide (2012).
2013 (30th anniversary)[]
Titlecard.
2013[]
Titlecard.
Titlecard (widescreen variant).
Sign-on/sign-off/technical fault slide (2013).
2013-2015[]
2013-2014[]
Titlecard.
Titlecard (widescreen variant).
Sign-on/sign-off/technical fault slide (2013).
2014-2015[]
Titlecard.
Titlecard (widescreen variant).
Sign-on/sign-off/technical fault slide (2014).
2015-present[]
Alternate variant.
Blue variant.
Titlecard.
Sign-on/sign-off/technical fault slide (2015).
Sign-on/sign-off/technical fault slide (2021).
2018 (35th anniversary)[]
Titlecard.