This is a list of all appearances of the character Dr. Helen Magnus, portrayed by Amanda Tapping.
| ● | Episode | 0x01 | " | Webisode 1 | " |
| ● | Episode | 0x02 | " | Webisode 2 | " |
| ● | Episode | 0x03 | " | Webisode 3 | " |
| ● | Episode | 0x04 | " | Webisode 4 | " |
| ● | Episode | 0x05 | " | Webisode 5 | " |
| ● | Episode | 0x06 | " | Webisode 6 | " |
| ● | Episode | 0x07 | " | Webisode 7 | " |
| ● | Episode | 0x08 | " | Webisode 8 | " |
| ● | Episode | 1x01 | " | Sanctuary for All, Part I | " |
| ● | Episode | 1x02 | " | Sanctuary for All, Part II | " |
| ● | Episode | 1x03 | " | Fata Morgana | " |
| ● | Episode | 1x04 | " | Folding Man | " |
| ● | Episode | 1x05 | " | Kush | " |
| ● | Episode | 1x06 | " | Nubbins | " |
| ● | Episode | 1x07 | " | The Five | " |
| ● | Episode | 1x08 | " | Edward | " |
| ● | Episode | 1x09 | " | Requiem | " |
| ● | Episode | 1x10 | " | Warriors | " |
| ● | Episode | 1x11 | " | Instinct | " |
| ● | Episode | 1x12 | " | Revelations, Part I | " |
| ● | Episode | 1x13 | " | Revelations, Part II | " |
| ● | Episode | 2x01 | " | End of Nights, Part I | " |
| ● | Episode | 2x02 | " | End of Nights, Part II | " |
| ● | Episode | 2x03 | " | Eulogy | " |
| ● | Episode | 2x04 | " | Hero | " |
| ● | Episode | 2x05 | " | Pavor Nocturnus | " |
| ● | Episode | 2x06 | " | Fragments | " |
| ● | Episode | 2x07 | " | Veritas | " |
| ● | Episode | 2x08 | " | Next Tuesday | " |
| ● | Episode | 2x09 | " | Penance | " |
| ● | Episode | 2x10 | " | Sleepers | " |
| ● | Episode | 2x11 | " | Haunted | " |
| ● | Episode | 2x12 | " | Kali, Part I | " |
| ● | Episode | 2x13 | " | Kali, Part II | " |
| ● | Episode | 3x01 | " | Kali, Part III | " |
| ● | Episode | 3x02 | " | Firewall | " |
| ● | Episode | 3x03 | " | Bank Job | " |
| ● | Episode | 3x04 | " | Trail of Blood | " |
| ● | Episode | 3x05 | " | Hero II: Broken Arrow | " |
| ● | Episode | 3x06 | " | Animus | " |
| ● | Episode | 3x07 | " | Breach | " |
| ● | Episode | 3x08 | " | For King and Country | " |
| ● | Episode | 3x09 | " | Vigilante | " |
| ● | Episode | 3x10 | " | The Hollow Men | " |
| ● | Episode | 3x11 | " | Pax Romana | " |
| ● | Episode | 3x12 | " | Hangover | " |
| ● | Episode | 3x13 | " | One Night | " |
| ● | Episode | 3x14 | " | Metamorphosis | " |
| ● | Episode | 3x15 | " | Wingman | " |
| ● | Episode | 3x16 | " | Awakening | " |
| ● | Episode | 3x17 | " | Normandy | " |
| ● | Episode | 3x18 | " | Carentan | " |
| ● | Episode | 3x19 | " | Out of the Blue | " |
| ● | Episode | 3x20 | " | Into the Black | " |
| ● | Episode | 4x01 | " | Tempus | " |
| ● | Episode | 4x02 | " | Uprising | " |
| ● | Episode | 4x03 | " | Untouchable | " |
| ● | Episode | 4x04 | " | Monsoon | " |
| ● | Episode | 4x05 | " | Resistance | " |
| ● | Episode | 4x06 | " | Homecoming | " |
| ● | Episode | 4x07 | " | Icebreaker | " |
| ● | Episode | 4x08 | " | Fugue | " |
| ● | Episode | 4x09 | " | Chimera | " |
| ● | Episode | 4x10 | " | Acolyte | " |
| ● | Episode | 4x11 | " | The Depths | " |
| ● | Episode | 4x12 | " | Sanctuary for None, Part I | " |
| ● | Episode | 4x13 | " | Sanctuary for None, Part II | " |
This is a list of all appearances of the character Young Helen, portrayed by Emily Tennant.
Webisodes
| ● | Episode | 0x05 | " | Webisode 5 | " |
TV Episodes
| ● | Episode | 1x10 | " | Warriors | " |