Sigma Shell Especial[]
1971-1972[]
Titlecard (1971).
Titlecard (color variant, 1971).
1972-1973[]
Titlecard.
Sigma Repórter[]
1973[]
Titlecard (1973).
Titlecard (color variant, 1973).
1973-1976[]
Titlecard (1973).
1976-1982[]
1976-1979[]
Titlecard (1976).
Titlecard (Sigma Repórter Pesquisa, 1977).
1979-1982[]
Titlecard (1979).
Sign-on/sign-off/holding slide (1981).
1980-1983[]
Titlecard (1980).
Sign-on/sign-off/holding slide (1982).
1983-present[]
1983-1997[]
1983-1990[]
Titlecard (1983).
Sign-on/sign-off/holding slide (1983).
Sign-on/sign-off/holding slide (1985).
Sign-on/sign-off/holding slide (1986, 1).
Sign-on/sign-off/holding slide (1986, 2).
Sign-on/sign-off/holding slide (1990).
1990-1997[]
Titlecard (1990).
Sign-on/sign-off/holding slide (1990).
Sign-on/sign-off/holding slide (1991).
Sign-on/sign-off/holding slide (1992).
Sign-on/sign-off/holding slide (1994).
Sign-on/sign-off/holding slide (1996).
1997-2022[]
1997-2000[]
Titlecard.
Holding slide (1997).
Holding slide (2000).
2000-2003[]
Titlecard.
Holding slide (2000).
2003-2004[]
Titlecard.
Holding slide (2003).
2003 (30th anniversary)[]
2005-2008[]
Titlecard.
Titlecard (widescreen variant).
Holding slide (2005).
2008-2014[]
Tielecard.
Titlecard (widescreen variant).
Holding slide (2008).
2008 (35th anniversary)[]
2014-2015[]
Titlecard.
Titlecard (widescreen variant).
Holding slide (2014).
2015-2021[]
Titlecard.
Holding slide (2015).
2021-2022[]
Titlecard.
Holding slide (2021).
2022-present[]
2022-2023[]
Titlecard.
Holding slide (2022).
2023-present[]
Titlecard.
Holding slide (2023).
2023 (50th anniversary)[]
Titlecard.