Time is measured from the first year of the series. Therefore, to say the Dorahl Bioship embarked "2,000 years ago" means it left home around the year 400 CE.
- A common ancestor of the Bruidians and the Navarians settles the planet Lopovius, as evidenced by residual DNA left in a birthing bucket.
- The Dorahl Bioship embarks on a three-generational trip through the galaxy that turns into a 2,000 year journey.
- An unnamed genetic engineer discovers how to target and eradicate individual cancer cells.
- Ed Mercer is born.
Late 2396 or Early 2397 Edit
- A fire breaks out in the Kitan household, sparking a debilitating fear of fire in Alara that leads to the events of Firestorm.
Late 2418 Edit
- Commander Ed Mercer catches his wife, Kelly Grayson, sleeping with the forensic archaeologist Darulio.
- Admiral Halsey offers Ed Mercer command of the mid-level exploratory vessel USS Orville.
- Taking off from dockyard, the Orville is sent to deliver supplies to the science station at Epsilon 2. Upon arrival however, the Orville defeats a Krill destroyer come to steal a quantum accelerator.
- Mercer and Grayson are captured by the Calivon and contained in their alien zoo. Lieutenant Alara Kitan arranges for the Calivon to return their human specimens by providing them with a selection of Earth's cultural database.
- Topa, child of Lieutenant Commander Bortus and Klyden, is born.
- Topa receives sex reassignment surgery to become male.
- The Orville discovers the Dorahl Bioship, drifting slowly towards star J-2837.
- The Orville saves the USS Druyan from an attacking Krill destroyer.
- Planetary Union anthropologists Tom and Lewis go missing on their planet of study, Sargus 4.
Late 2419 Edit
- The Orville rescues the time-traveler Pria Lavesque from the mining ship Horizon.
- The Orville destroys a wormhole connecting the 29th century to the 25th.
- The Krill conquer the colony planet Chara 3.
- The Orville destroys the Kakov.
- A team from the Orville is sent to retrieve the missing anthropologists Tom and Lewis. Only Lewis is found.
Early 2420 Edit
- Isaac, Doctor Finn, and her sons Ty and Marcus, crash on an unnamed moon.
- Darulio briely joins the Orville to analyze the Lopovian birthing bucket.
- Bruidians and Navarians agree to a truce.
- The Orville is left stranded after a damaging run-in with a pocket of two-dimensional space.
- Lieutenant Commander Steve Newton transfers off the Orville to a space station.
- Lieutenant John LaMarr is promotted to Newton's old position.
- The humanoid species of the Multiphasic Planet evolves from a Bronze Age level of development into a highly advanced Space Age over a span of 33 days.
29th century Edit
- Pria Lavesque is born.
- Captured Amelia Earhart lives the remainder of her life.
- A Benzian antiques collector negotiates for the price of the Orville.
- ↑ Based on Darulio's analysis of the artifact. (Cupid's Dagger)
- ↑ Based on Isaac's analysis of the hull.
- ↑ 3.0 3.1 3.2 Episode Five: Pria.
- ↑ Episode Three: About a Girl.
- ↑ Ock'or has been in the Calivon zoo for 31 years as of Command Performance.
- ↑ 6.0 6.1 6.2 Episode One: Old Wounds.
- ↑ Alara is 23 years old in Old Wounds.
- ↑ Kitan's mother says that the fire happened eight months after her birth.
- ↑ Bortus and Klyden have been joined for six and a half years as of About a Girl.
- ↑ Finding a recreation of his robe in the Calivon zoo, Ed notes that he hasn't seen it in two years. (Command Performance)
- ↑ Sometime between January and March of 2420, Grayson says that her affair with Darulio was "a year ago." For that comment to make sense (meaning not to exceed the two year mark), her affair must have been in April or after of 2418.
- ↑ After March, 2420, Grayson again says that a year has passed since the affair. Episode Eleven: New Dimensions.
- ↑ Episode Two: Command Performance.
- ↑ Conjectural placement based on Darulio's account that he has been digging on Lopolvius for six months. Cupid's Dagger.
- ↑ As part of Ed's forced ruse informing Bortus that Epsilon 2 is hosting a pizza party for an office birthday, he adds that there is a "lot of September birthdays down here."
- ↑ The events transpire over a period of 21 days. Bortus begins incubation of his egg at the start of the episode and the egg hatches at the end.
- ↑ Bortus notes that the Orville's trip to Moclus takes two weeks.
- ↑ 18.0 18.1 Episode Four: If the Stars Should Appear.
- ↑ Contact with Lewis and Tom was lost a month ago.
- ↑ 20.0 20.1 A freshly severed human head is presented as having been captured at Chara 3, suggesting it to be recent.
- ↑ LaMarr notes that Alara has gone through two guys in two months.
- ↑ Episode Eight: Into the Fold.
- ↑ 23.0 23.1 Episode Nine: Cupid's Dagger.
- ↑ Episode Ten: Firestorm.
- ↑ Ed notes that his first meeting with Alara in Old Wounds occured six months ago.
- ↑ 26.0 26.1 Episode Eleven: New Dimensions.
- ↑ The episode is clear that each run-in with the planet occurs ever 11 days. The episode begins with an encounter with the planet, and the Orville sees the planet three more times.