| Allein gegen die Mafia |
 West Germany |
| Allein gegen die Mafia |
West Germany |
| Allein gegen die Mafia 2 (second season title) |
West Germany |
| Allein gegen die Mafia 3 (third season title) |
West Germany |
| Allein gegen die Mafia 4 (fourth season title) |
West Germany |
| Allein gegen die Mafia 5 (fifth season title) |
West Germany |
| Allein gegen die Mafia 6 (sixth season title) |
West Germany |
| Allein gegen die Mafia 7 (seventh season title) |
West Germany |
| Astoņkājis |
 Latvia |
| Bläckfisken |
 Sweden |
| Bläckfisken 3 (third season title) |
Sweden |
| Blæksprutten |
 Denmark |
| Caracatita |
 Romania |
| Chobotnice 6 |
 Czechoslovakia |
| Con Bạch Tuộc |
 Vietnam |
| Fangarmer |
 Norway |
| Lo scandalo |
|
| Mafia |
 Peru |
| La mafia 2 (second season title) |
 France |
| La mafia 3 (third season title) |
France |
| La mafia 4 - Raid contre la Mafia (fourth season title) |
France |
| La mafia 5 - Mort à Palerme (fifth season title) |
France |
| La mafia 6 - L'ultime secret (sixth season title) |
France |
| La mafia 7 - Enquête sur la mort du commissaire Cattani |
France |
| La mafia |
France |
| Mustekala |
 Finland |
| O Polvo |
 Portugal |
| O Polvo - Série 4 (fourth season title) |
Portugal |
| O Polvo - Série 5 (fifth season title) |
Portugal |
| O Polvo 2 (second season title) |
Portugal |
| O Polvo 6 - O Último Segredo (sixth season title) |
Portugal |
| O Polvo 7 - O Inquérito à Morte do Comissário Cattani (seventh season title) |
Portugal |
| Octopus 2 Osa 1 (video box title) |
Finland |
| The Octopus 2 (second season title) |
|
| The Octopus 3 (third season title) |
|
| The Octopus 4 (fourth season title) |
|
| The Octopus 5 - The Heart of the Problem (fifth season title) |
|
| The Octopus 6 - The Last Secret (sixth season title) |
|
| The Octopus 7: Investigation into the Death of Commissioner Cattani (seventh season title) |
|
| The Octopus |
 Canada |
| The Octopus |
 United Kingdom |
| The Octopus |
 India |
| The Octopus |
|
| Ośmiornica |
 Poland |
| Ośmiornica 2 (second season title) |
Poland |
| Ośmiornica 3 (third season title) |
Poland |
| Ośmiornica 4 (fourth season title) |
Poland |
| La piovra - Mustekala |
Finland |
| La piovra 2 |
|
| La piovra 2 (second season title) |
 Italy |
| La piovra 3 |
|
| La piovra 3 (third season title) |
Italy |
| La piovra 4 |
|
| La piovra 4 (fourth season title) |
Italy |
| La piovra 5 - Il cuore del problema (fifth season title) |
Italy |
| La piovra 6 - L'ultimo segreto (sixth season title) |
Italy |
| La piovra 7 - Indagine sulla morte del commissario Cattani |
|
| La piovra 7 - Indagine sulla morte del commissario Cattani (seventh season title) |
Italy |
| La piovra |
 Spain |
| La piovra |
Italy |
| La piovra |
 Mexico |
| La piovra |
 Netherlands |
| La piovra |
 USA |
| La piovra |
 Ecuador |
| Polip - Az utolsó titok |
 Hungary |
| A Polip 2 (second season title) |
Hungary |
| A Polip 3 (third season title) |
Hungary |
| A Polip |
Hungary |
| Tsarens kurér |
Norway |
| L'ultime secret (dubbed version) |
France |
| Το χταπόδι |
 Greece |
| Октопод |
 Bulgaria |
| Октопод 2 (second season title) |
Bulgaria |
| Октопод 3 (third season title) |
Bulgaria |
| Октопод 4 (fourth season title) |
Bulgaria |
| Спрут |
 Russia |
| Спрут |
 Soviet Union |
| Спрут 2 (second season title) |
Russia |
| Спрут 2 (second season title) |
Soviet Union |
| Спрут 3 (third season title) |
Soviet Union |
| Спрут 4 (fourth season title) |
Soviet Union |
| Спрут 5 (fifth season title) |
Russia |
| Спрут 6 (sixth season title) |
Russia |
| Спрут 7 (seventh season title) |
Russia |
| Хоботница |
 Serbia |
| 対決／マフィアに挑んだ男 |
 Japan |
Austria
