How Gross Thou Art

How Gross Thou Art is the 1st episode in season 5 of Seriously Sienna, and overall #58 in the whole series. This episode aired on September 2, 2017.

Summary
The gang visits a middle ages themed exhibition that also displays creepy/gross content.

Background Songs

 * "" by ???

Trivia

 * This episode's title is a parody of the Christian hymn "How Great Thou Art".