The following is a list of the events in the Interface series in chronological order.
This article contains spoilers through Episode 21.
| Event | Date | Episode shown |
|---|---|---|
| Henryk Niebieski is born | 1910 | Episode 08 |
| Mischief (known at this point as Percy) loses his job as a clown due to Dreamland burning down | 1911 | Episode 14 |
| Henryk becomes immortal | 1910-1945 | |
| Mischief joins the army and is destroyed in the Philadelphia Experiment. Mr. Greetings witnesses the revelation of cerebral electricity onboard the USS Eldridge | 1943 | Episode 01 |
| Henryk floats down from the sky in Montreal and meets his wife in a hospital | WWII (1939-1945) | Episode 16 |
| Henryk's daughter, granddaughter, and great-granddaughter are born | 1945-modern day | |
| Henryk's wife dies of illness | Unknown | Episode 06 |
| Henryk's daughter dies of old age and becomes the Ghost | Unknown | Episode 20 |
| Henryk attempts suicide and inadvertently kills his granddaughter and grandson-in-law. His great-granddaughter is saved by The Ghost | Unknown | Episode 20 |
| Mischief and Henryk meet | Unknown | Episode 01 |
| Henryk collapses at the Montreal Museum of Fine Arts | Unknown | Episode 06 |
| KAMI absorbs The Ghost | Unknown | Episode 04 |
| Henryk goes to the hospital, Mischief discovers his immortality | Unknown | Episode 08 |
| Mischief and Henryk go to the Chef's restaurant | Unknown | Episode 09 |
| Chef is absorbed by KAMI | Unknown | Episode 12 |
| Mischief and Henryk go to Henryk's old house | Unknown | Episode 13 |
| Henryk arrives at the Lighthouse, but finds no one | Unknown | Episode 19 |
| KAMI Mk. II is revealed | Unknown | Episode 21 |
| Timeline | |
| Main characters | Henryk Niebieski · Mischief |
| Recurring characters | Chef · The Ghost · Henryk's great-granddaughter · KAMI · Mr. Greetings |
| Universe | Cerebral electricity · Dreamland · Greetings Robotics Corporation · The Lighthouse · Montreal |
| Part I | 01 · 02 · "Greetings Robotics" · "The Ghost" · "The Son of Man" · "Bear Witness" · "The Mechanical Saccorhytus" · "The Watchful Eyes" · "Camouflage" · "An Illusion of Time" · "Revelation" · "Metallic Evolution" |
| Part II | "The Right Direction" · "Dreamland" · "The Winds" · "When Skies Were Still Blue" · "The Fall" · "Rebuilding" · "Entanglement" · "All That Perish" · "Restoration" · "Ascend to Solitude" · "An Unconscious Conscience" |
| One-shots | "Big Smile's Order" · "Mischief is a Bird" · "Livestreaming from a Lighthouse with Henryk" |
| Adult Swim shorts | "Open Wide Up" · "Stranger Danger" · "A Christmas Stalking" · "A Striking Ball" |
