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Eons

show · in 20 videos (2017–2026)

A YouTube show about the history of life on Earth, started in 2017 by Hank with Kallie and Blake together with PBS Digital Studios; its first episode was on trilobites. It became one of Complexly's shows alongside SciShow and Crash Course, and was still being made in 2026.

Videos by year: 2017: 2 · 2018: 2 · 2019: 1 · 2020: 1 · 2022: 1 · 2023: 4 · 2024: 4 · 2025: 2 · 2026: 3

Website: youtube.com/eons

Threads

Also named in the threads: SciShow: launch of Hank's science channel (2011) · The Brain Scoop: Emily Graslie's YouTube show from the Philip L. Wright Zoological Museum (2012) · Mental Floss YouTube channel, made with John and Hank (2013) · Subbable: launch of the brothers' pay-what-you-want subscription service, starting with Crash Course (2013) · Animal Wonders: launch of Jessi Knudsen Castañeda's rescued-animal channel (2014) · Complexly: the brothers' production company, renamed from EcoGeek (2016) · Journey to the Microcosmos: Hank and James's YouTube channel about microscopic life (2019) · Hank asks viewers to buy Complexly calendars at complexlycalendars.com (2022)

Often together

What comes up in the same parts of the videos; the number is how many parts.

SciShow (15) · Complexly (13) · Journey to the Microcosmos (6) · Bizarre Beasts (5) · Study Hall (3) · Crash Course (11) · Awesome Coffee Club (3) · hankschannel (3) · YouTube (8) · Pizzamas (3)

What the videos say

The most important statements of each year; all statements.

2017

  • 2017-06-30 · Eyes Made of Crystal? - Trilobites are Bizarre — Hank: The extinction event that wiped out the last trilobites, covered on Eons, wiped out 90% of the species on Earth. — video description
    • Hank and his team have teamed up with PBS Digital Studios on a new show, Eons, about the entire history of life on Earth; its first episode is on trilobites. — 00:00:22
    • Hank invites viewers to watch Eons' first episode at youtube.com/eons, where he, Blake and Callie will take them through the history of life on Earth. — 00:03:25
  • 2017-11-10 · The Weirdest Living Animals - (With Dr. Lawrence Turtleman) — Dr. Lawrence Turtleman: Dr. Turtleman notes these organisms are sometimes called 'living fossils' because they resemble their fossils, but says the label is somewhat inaccurate, pointing to an Eons episode. — video description

2018

  • 2018-02-16 · Thoughts from VERY Dead Animals — Hank visits the University of Montana Paleontology Center collections room with Kallie of Eons and Tuna, who makes SciShow most days. — 00:00:12
    • Hank says that a few months ago he, Kallie and his friend Blake started Eons, a YouTube show telling the story of all life on Earth. — 00:03:25
    • Hank thanks Kallie for the tour and says Eons is fascinating, weird and amazing. — 00:03:48
  • 2018-04-27 · Finding Respite in 2018 — recommendation: Hank recommends an Eons collaboration on the first organism, made with PBS Space Time and It's Okay to Be Smart, which got as close as possible to where life began. — 00:02:46

2019

2020

  • 2020-12-08 · A Love Letter to My Brother, Basically — John lists ideas Hank has realized: VidCon, NerdCon, Subbable, The Lizzie Bennet Diaries, Truth or Fail, Crash Course, SciShow, a podcast, card games, T-shirts, Eons, books and coffee mugs. — 00:01:27

2022

  • 2022-09-02 · How A YouTube Company Actually Makes Money — announcement: Hank: Complexly is selling five calendars for five shows: Eons and Bizarre Beasts art, James Weiss's Microcosmos microphotography, and SciShow and SciShow Space images, printed in the US with facts, shipping everywhere. — 00:02:16

2023

2024

  • 2024-01-23 · Breaking News: Complexly Signs Major Tetris Athlete — John jokingly brags that Complexly, maker of Crash Course, SciShow, Eons and more, is now the first online media company to sponsor a world-class Tetris player. (playful, hedged) — 00:03:43
    • John says Complexly's brands are strong but far fewer people know Complexly itself, so they want to raise awareness of who they are, not just what they make. — 00:04:22
  • 2024-08-02 · My Letter to the Future — announcement: Hank announces that Complexly, maker of SciShow, Crash Course and Eons, has launched its own store, with products up to 50% off to kick it off; purchases help Complexly keep existing. — 00:03:49
  • 2024-08-23 · Is Google Training AI on YouTube Videos? — Hank says Proof News's searchable database shows SciShow, Crash Course, Eons and Vlogbrothers are all in the training data, and probably any YouTuber a viewer likes. — 00:00:29
  • 2024-09-06 · I feel like I can't talk about this… — Hank suggested the Eons team, Complexly's prehistoric life show made with PBS, collaborate with David on a figurine, then left it as not his job; now it may become real. (playful, hedged) — 00:01:56

2025

  • 2025-11-21 · I Wasn't Always Like This!! — Hank explains Complexly, the educational media company he and John started (SciShow, Crash Course, Eons): people who show up daily to wonder together and lower barriers to knowledge. — 00:03:40
  • 2025-12-09 · Hank Green, from A to Z — John: For Y, YouTube, John says he hasn't mentioned half the shows Hank helped produce, such as PBS Eons, Animal Wonders, Brain Scoop and Mental Floss. — 00:05:21

2026

  • 2026-07-24 · One Must Imagine Sisyphus Important — Hank: When Hank asked the question, a frequent answer on social media and from Eons host Kallie Moore was the Chicxulub asteroid impact. — 00:00:29
  • 2026-08-07 · Just Trying to Figure Out My Job — Hank: What Hank feels worst about: the reputational hit is his to take and earn back, but Complexly staff who write SciShow, Endlings, Eons and Crash Course and work with experts are now questioned because of him. — 00:02:23

Also named in: We Just Sold Our Company for $0