Fringe Season | 1 Index Link

| Episode | Title | Original Air Date | Key Themes & Plot Details | | :--- | :--- | :--- | :--- | | | Pilot | Sep 9, 2008 | Mystery: Flight 627 lands at Boston's Logan Airport with everyone onboard dead—their flesh dissolved into a gelatinous mass. Connection: Olivia recruits Walter and Peter. | | 2 (1-2) | The Same Old Story | Sep 16, 2008 | Mystery: A woman gives birth to a baby that ages 80 years in minutes. Connection: First mention of "The Pattern." | | 3 (1-3) | The Ghost Network | Sep 23, 2008 | Mystery: A man has psychic visions of Pattern-related disasters. Connection: Introduces the concept of predictive, fringe science. | | 4 (1-4) | The Arrival | Sep 30, 2008 | Mystery: A mysterious cylinder is the cause of a deadly explosion. Connection: The Observers (the bald men in suits) make their debut. | | 5 (1-5) | Power Hungry | Oct 14, 2008 | Mystery: A man who can project electricity is at the center of strange deaths. Connection: John Scott returns in Olivia's visions. | | 6 (1-6) | The Cure | Oct 21, 2008 | Mystery: A woman with a rare disease brings illness and death to everyone she meets. Connection: Massive Dynamic's power is explored. | | 7 (1-7) | In Which We Meet Mr. Jones | Nov 11, 2008 | Mystery: A parasite attaches itself to an FBI agent’s organs. Connection: First appearance of David Robert Jones. | | 8 (1-8) | The Equation | Nov 18, 2008 | Mystery: Walter's past comes back to haunt him. Connection: Flashback to Walter's time at St. Claire's Hospital. | | 9 (1-9) | The Dreamscape | Nov 25, 2008 | Mystery: A man is attacked by hallucinatory butterflies and leaps to his death. Connection: Focuses on the power of suggestion and mind control. | | 10 (1-10) | Safe | Dec 2, 2008 | Mystery: Thieves can phase through solid matter. Connection: The thieves steal items from Walter's old storage unit. | | 11 (1-11) | Bound | Jan 20, 2009 | Mystery: An epidemiologist is murdered; Olivia is abducted and tattooed. Connection: Olivia's abduction is key to her backstory. | | 12 (1-12) | The No-Brainer | Jan 27, 2009 | Mystery: A file causes a man to melt into a pool of goo. Connection: Explores the concept of technological terrorism. | | 13 (1-13) | The Transformation | Feb 3, 2009 | Mystery: A jumbo jet crashes with freakish remains inside. Connection: A man can transform into a monstrous creature. | | 14 (1-14) | Ability | Feb 10, 2009 | Mystery: Victims die as their orifices suddenly seal shut. Connection: David Robert Jones returns and tests Olivia. | | 15 (1-15) | Inner Child | Apr 7, 2009 | Mystery: A feral child, who lived underground for years, is discovered. Connection: The child has a strange, unspoken bond with Olivia. | | 16 (1-16) | Unleashed | Apr 14, 2009 | Mystery: A creature, part animal and part machine, attacks people. Connection: Explores the theme of bio-engineering. | | 17 (1-17) | Bad Dreams | Apr 21, 2009 | Mystery: Olivia has awake-dreams of a suicide. Connection: We learn more about Olivia's past as a Cortexiphan subject. | | 18 (1-18) | Midnight | Apr 28, 2009 | Mystery: Several bodies are found drained of spinal fluid. Connection: Ties back to the ZFT bioterrorist cell. | | 19 (1-19) | The Road Not Taken | May 5, 2009 | Mystery: Olivia sees visions of the alternate universe. Connection: Massive Dynamic is revealed to have been tracking her. | | 20 (1-20) | There's More Than One of Everything | May 12, 2009 | Mystery: David Robert Jones opens a portal to another universe. Connection: William Bell is finally introduced. |

The Edge of the Possible: A Deep Dive into first premiered on fringe season 1 index link

For example, the introduction of midway through the season completely recontextualizes Olivia's childhood. Similarly, the background appearances of The Observers in early episodes reward observant viewers on repeat viewings. Using an index ensures you do not miss the foundational building blocks of the multiverse mythology. | Episode | Title | Original Air Date