| Babylon 5 | Star Trek | Commonality |
|---|---|---|
| Commander Jeffrey Sinclair | Commander Benjamin Sisko (with son Jake Sisko). | Commander J.S. |
| A veteran of the battle of the line. | A veteran of the battle at Wolf 359 | Both commanders are veterans in a recent battle/war. |
| Female first officer Susan Ivanova | Female first officer Kira Nerys | First officer: Female. Very strong character |
| Centauri Empire occupied Narn | The Cardassian Empire occupied Bajor | One world occupied another in the past. |
| A Jumpgate to other parts of the Galaxy | A wormhole between the Alpha and the Delta Quadrant of the galaxy | A device that connects two separate places in the universe. |
| Security chief Michael Garibaldi | Security chief Michael Eddington | A security chief named Michael |
| Lyta | Leeta | Attractive women with similar names |
| A changeling net to alter ones appearance | Changelings, shape shifters | Device/gift to alter the appearance |
| Carolyn Sikes, female freighter captain. Love interest of the lead character. | Cassidy Yates, female freighter captain. Love interest of the lead character | Female freighter captain. Love interest of the lead character |
| G'Kar hates Centauri | Kira hates Cardassians | One of the lead characters hates a world that once occupied their own |
| Destiny of Sinclair | Destiny of Sisko | Both have destinies that seem to be set in stone. |
| A leader named Dukhat (of Minbar) | A Cardassian leader named Gul Dukat | Characters in leading positions, both named similar. |
| Catch phrase: 'Hello old Friend' | Catch phrase: 'Hello old man' | Both phrases uttered by the leading character. |
| Sinclair asked old friend Garibaldi for that post. | Sisko asked old friend Dax for that post. | The lead character asked an old friend for the post on the station. |
| The First Ones | The Prophets and the Pah Wraiths | Older races, very powerful still influence things. |
| Cryptic Vorlon | Cryptic Prophets | Powerful beings, always talking in a cryptic manner |
| Home guard? | Essentialist movement? | Maybe |
| Mystical elements (such as the 'soul orbs' | The orbs of the prophets | Elements that seem more mystical than scientific |
| Vorlons vs. Shadows | Prophets vs. Pah Wraiths | A war between old and powerful opponents |
| Unresolved issues between Susan Ivanova and her dying father | Unresolved issues between Kira Nerys and her dead father | The strong female second in command has certain unresolved issues with her father |
| The command staff is being questioned by a higher authority to investigate the commander | The commander is being investigated for his actions during 'Trials and Tribble-ations' | Higher authorities are questioning the lead character's actions. |
| Discovery of the Great Machine | Discovery of The Celestial Temple | A unknown alien device of great power is discovered |
| Minbari religion | Bajoran religion | Two important cultures with specific deep spiritual sides. |
| Babylon 4 gets transported through time and space | Time travel happenings in general. | Time travel happenings in general. |
| The One | The Sisko | A lead character is being named in an unusual manner |
| Zathras | Rom | Short guy is a technical genius and under appreciated. |
| Political plots. Assassination of the president | Coup attempt in Starfleet. | Dark machinations to manipulate the highest levels of government. |
| Minbari souls born in humans. Humans are of Minbari. | We / you are of Bajor. | Revelations towards origins of lead characters of sorts. |
| Invisible monster in 'The Long Dark' | Odo turns into a monster | Unknown things 'that go bump in the night' |
| Freedom movement on Mars | The Maquis | A resistance movement |
| Bureau 13 | Section 31 | A secret government agency. Very dubious. |
| Political intrigues on Centauri | Political intrigues on Cardessia. | A (former) aggressor is still up to no good. |
| Experiments done on Sheridan | Experiments performed on crew Enterprise D | Lead characters are used in experiments |
| Londo gets shunned by his friends for his actions | Quark gets shunned for his association with gun dealers | A popular guy does bad things and gets shunned by his friends |
| The Vorlon Ship | Tin man | Organic spacecraft |
| Babearlon 5 (stuffed animal) | Captain Picard Doll | Leading characters are embarrassed by (Childs) toys. |
| A life form tries to get home (Knives) | A life form tries to get home (Lonely Among Us). | A life form performs 'evil' acts in order to get home. |
| Centaury opera | Klingon opera | Warrior cultures with a musical (opera) side. |
| Baseball | Baseball | Both commanders have a love for baseball |
| Commander gets replaced by Captain John Sheridan | Commander gets promoted to Captaincy | A movement to a higher rank |
| Confessions and Lamentations | The Quickening | A decease wiped out an entire race. With on 'The Quickening' hope for the young. |
| Ivanova loved Talia | Dax meets a former lover | Lesbian suggestion. |
| The Centauri retake Narn | The Cardassians retake DS9/Terok Nor. And have the ambition to retake Bajor | A former conqueror returns to retake lost territory. |
| Non-aggression pact between Centauri and Earth | Non-aggression pact between the Dominion and the Romulans | An aggressive power makes peace with one other power to have their hand free. |
| Mines around Zagras 7 | Mines around wormhole (and several other places) | Mines in space to isolate or protect |
| Sheridan gets the White star in season 3. | Sisko gets the Defiant in season 3. | The lead character gets a new super ship. |
| Bomber terrorist on the lose. | Assassin early on in Star Trek Deep Space Nine (Bajoran fundamentalist). | Political murder plots. |
| Humans receiving symbiots | Trill, creatures from 'Conspiracy' | Symbiotic life forms. Some benevolent, others not. |
| Babylon 5 breaks away | Star Trek Insurrection | The lead characters openly defy a higher authority. |
| Altered telepaths with cybernetic Shadow technology. | The Borg. | People are enhanced against their will to serve others. |
| 'War Without End' | Time travel in Star Trek | Time travel themes in both shows. |
| A part of Kosh is in Sheridan | Spock's Katra is in McCoy. | (Part) of an alien 'soul' inside a lead character. |
| The return of Sheridan after his death. | The return of Sisko, after Jadzia' s death. | The lead character returns after a tragic event. |
| Sheridan gives orders knowingly sending people to their deaths,and manipulates others to join the alliance | Sisko commits crimes to manipulate the Romulans into the war. | The lead character gets his hands dirty in order to do what is necessary. |
| Shadows appear as familiar people. | The Wormhole beings appear as familiar people | Power beings show themselves in the form of familiar people. |
| Garibaldi commits treason | Eddington commits treason and joins The Maquis. | The security chief named Michael betrays the lead character. |
| Delenn confronts her past. | Kira confronts her mother's past. | Power female leads face ugly things that were done in the past. |
| Friendship between Doctor Franklin and Marcus | Friendship between Doctor Bashir and chief O'Brien. | Friendship between the doctor and a more down to Earth type of character |
| Marcus wanting Susan Ivanova | Bashir wanting Jadzia, and Odo wanting Kira | A male lead character loves a female character that does not love in return. |
| Commander (Captain) Susan Ivanova is replaced by Captain Elizabeth Lochley | Jadzia Dax dies and is replaced by Ezri Dax | A beautiful female lead is replaced by another equally beautiful female lead. |
| 'A view from the Gallery' | 'The Lower Decks', Miles O'Brien. | A look at personal of a lower rank / repair men. |
| The Drakh fill the place of the Shadows | The Breen fill the place of the Cardassians | At the end a new enemy replaces an old one. |
| The Fall of Centauri Prime | The Fall of Cardessia | A powerful empire relives a glorious past, only to be defeated in the end. |
| In the end everybody goes his or her own way. | In the end everybody goes his or her own way. | In the end everybody goes his or her own way. |
| Soul hunter containers | The receptacles of Sargon's people | Globes with 'souls' |
