The Obscura team takes their business to Chicago when a world-class collector requests death-related items. The team soon finds a Second City filled with cadaver tools, off-the-wall wildlife blood and head-splitting sideshow acts.

A British customer tries selling Ryan a kettle that definitely doesn't pour tea. Then an artist enlists Evan to find medical instruments for his insane mechanical sculptures and Mike and Ryan encounter an elephant in the room.

A customer asks Mike and Evan to breath life into his creepy 100-year-old automaton, and Ryan meets an artist needing disgusting props. Later a man who chased Mike with a chainsaw reappears and wants something from him and Ryan.

At Obscura Antiques & Oddities, Mike encounters a singing siren hunting for something of the sea variety & Ryan takes on a huge challenge, articulating a full-size skeleton. Then a surprise visit by Gwar may lead to a purchase of a one eyed creature.

An explosion rocks the shop when Mike Sullivan gets his hands on an old detonator. Then Sean Lennon contracts Ryan to articulate the skeleton of a chimera, and Mike and Evan get an extreme dose of oxygen therapy.

In 1956, an astronomer investigates a possible botched US Navy experiment.

Did Nikola Tesla test a weapon that devastated a remote area of Siberia?

A 19th century Italian scientist attempts to resurrect a human corpse.

A woman claims to be a brainwashed CIA secret agent.

A medic weighs a man at the moment of death to measure the human soul.

The pathologist performing Albert Einstein's autopsy steals his brain.

John Noble explores Lindbergh's plans to conquer death and more.

John Noble hosts an exploration into a method for cheating death and more.

John Noble hosts an exploration into the inventor of the lobotomy and more.

John Noble explores the effects of brain surgery and more.

John Noble explores fertilizer, contaminated heroin and more.