Timeline and ages
Part 6 lasts about a year and a half, roughly from Month 47 to Month 65 after Day Zero.
It opens during the unfinished battle for the base, then moves from shock, wounded bodies, and the dead into the building of a real city.
| Character / group | Entry into Part 6, Month 47 | Exit from Part 6, Month 65 | Continuity note |
|---|---|---|---|
| Lexa | 40 years, 11 months | 42 years, 5 months | Badly wounded in the old area at the opening, then builds a living defense force. |
| Clarke | 38 years, 11 months | 40 years, 5 months | Does not leave Lexa, then builds public medicine. |
| Nancy / Robin / Steve | 26 years, 11 months | 28 years, 5 months | Returning families, maps, culture, Steve and the boys. |
| Emma | 38 years, 11 months | 40 years, 5 months | Internal security and an expanding family with Regina. |
| Regina | 46 years, 11 months | 48 years, 5 months | City leader, rituals, memorial day, civic life. |
| Alex | 43 years, 11 months | 45 years, 5 months | Logistics, Theo, Max. |
| Piper | 40 years, 11 months | 42 years, 5 months | Domestic life, children, emotional kitchen, Max and Theo. |
| Raven | 38 years, 11 months | 40 years, 5 months | City infrastructure, Dustin, Zane, Anya. |
| Henry | 13 years, 11 months | 15 years, 5 months | A teenager, not a small adult. |
| Theo | 3 years, 2 months | 4 years, 8 months | Small child with language, will, habits, and home routines. |
| Kurt | Around 1 year to 1 year and 1 month | Around 2 years and 6–8 months | Finchel’s toddler. |
| Finn / Rachel | 22 years, 11 months | 24 years, 5 months | Young parents, culture, heart, Finn with Steve and Dustin. |
| Summer | Alive at opening, 20 years, 11 months | Dies in the opening | Dies for the future farm, the animals, Princess, and growing life. |
| Seth | Alive at opening, 20 years, 11 months | Dies after Summer | Decisive action through water, drainage, gate, canal, or dock. |
| Shelby / Toni | 20 years, 11 months | 22 years, 5 months | Receive focus after Seth and Summer’s deaths. |
| Sara Lance | 41 years, 11 months | 43 years, 5 months | After Ava’s injury, co-captaincy and future parenthood. |
| Ava | 43 years, 11 months | 45 years, 5 months | Adoption arc in Part 6. |
| Mike, Max, Eleven, Will, Dustin, Lucas | 17 years, 11 months | 19 years, 5 months | Emerging young adults, no longer children. |
| Erica | 15 years, 11 months | 17 years, 5 months | Still younger, with a sharp voice. |
| Avalance children | Enter at ages 7 and 3 | Around 8.5 and 4.5 | Living adoption, not a cute twist. |
| Karen / Holly / Joyce / Lucas's mother / Dustin's grandmother | Day Zero ages TBD | Day Zero ages + 18 months | Return in Part 6 with a small base-survivor / military group. Ages must be locked before writing. |
| Sarah Walker / Chuck | Day Zero ages TBD | Day Zero ages + 18 months | Enter with four children. Chuck is alive at the end of Part 6. |
| Sarah/Chuck children | Ages / birth months TBD | Grow through the part | Two biological children, two adopted on the road. Ages must be locked before entry chapter. |
| Joey / Pacey | Day Zero ages TBD | Day Zero ages + 18 months | Water, docks, home. |
| Lucy / Kate | Day Zero ages TBD | Day Zero ages + 18 months | Investigation and security, not a main couple. |
| Callie / Arizona / Sofia / Mark / Timothy | Day Zero ages TBD | Day Zero ages + 18 months | Medicine, family, children. Ages must be locked before writing them. |
| Lois / Clark | Day Zero ages TBD | Day Zero ages + 18 months | Notice board / city paper, convoys / protection. |
| Cosima / Delphine | Day Zero ages TBD | Day Zero ages + 18 months | Research, Eleven, science and ethics. |
| Bo / Lauren | Day Zero ages TBD | Day Zero ages + 18 months | Investigation and medicine. |
| Jo / Jack / Zoe / Zane | Day Zero ages TBD | Day Zero ages + 18 months | Small Eureka wave only, with Zane as an infrastructure loss. |