2x2 - The Highs and Lows of Tardigrade Pregnancy

February 3, 2020

Original Title: Our Tardigrade Had Babies!

2x3 - Slime Molds: When Micro Becomes Macro

February 10, 2020

2x4 - How to Identify Microbes

February 17, 2020

When there are over one trillion species, it can be hard to determine what you're looking at on your microscope. Thankfully we've got some helpful tips for you!

2x5 - How Cyanobacteria Took Over The World

February 24, 2020

2x6 - Bacillaria: Distractingly Beautiful Crystal Colonies

March 2, 2020

2x7 - The Microcosmos of the 1800s - The Story of Christian Gottfried Ehrenberg

March 10, 2020

2x8 - How We Find Our Microbes

March 16, 2020

2x9 - The Secret Things Living in Your Aquarium

March 23, 2020

2x10 - Synura: Smelly, Flowery Confetti

March 30, 2020

2x11 - How to Survive the Microcosmos

April 7, 2020

2x12 - What Is the Point of Sex?

April 13, 2020

2x13 - What Are These Vorticella up To?

April 20, 2020

Original Title: 12 Minutes in the Life of Vorticella

2x14 - Water Fleas: Look Weird, Adapt Weirder

April 28, 2020

2x15 - Making Decisions Without a Brain

May 4, 2020

Making decisions can be pretty hard, but imagining trying to do it without a brain!

2x16 - Peritrich Ciliates: Masters of Long-Range Snacking

May 11, 2020

2x17 - The Terrifying Viruses of the Microcosmos

May 18, 2020

Even in the microcosmos, it's important to stay inside if you want to avoid a virus.

2x18 - The Micro World Right Under Your Feet

May 25, 2020

2x19 - Testate Amoebas: Blobby, Modest Shell Dwellers

June 1, 2020

A lot of the microbes we show you are completely naked, but the test amoeba is a bit more modest.

2x20 - Colorless Euglenoids: Structure and Function (and Food)

June 15, 2020

There’s something you probably heard a lot in biology class. And no, it's not “mitochondria is the powerhouse of the cell”...

2x21 - The Complicated Legacy of Lynn Margulis

June 23, 2020

The world of microscopy is not without its own controversial figures, today we’re discussing Lynn Margulis and her contributions to the world of science as well as some of her more harmful beliefs.

2x22 - The Microbe You Eat All The Time

June 29, 2020

Yeast: the most coveted microbe during this pandemic. This week we’re taking a close look at the little guys that make up our bread and beer and the vital role they’ve had for thousands of years.

2x23 - How to Name a Microbe

July 6, 2020

There’s a story behind every microbe’s name, and that of the Phacus smulkowskianus is surprisingly sweet.

2x24 - Preserving the History of the Microcosmos With Prepared Slides

July 13, 2020

Sometimes, pictures and videos aren’t enough. Sometimes the best way to share what you’ve seen under the microscope is, well, to share the actual thing you’re looking at.

2x25 - Trying to Make Sense of This Overwhelming World

July 20, 2020

The goal of phylogenetic trees is to track the organisms we know of through their place in evolution.