Stock music that Morton Stevens originally composed for Hawaii Five-O (1968) appears in this show. Examples include music at the end of acts II and III and an action sequence in Act IV.
Tycho's colorful map of the USA shows Virginia and West Virginia as one state. In 1863, at the start of the Civil War, Virginia seceded from the Union to join the Confederacy, but the part now known as West Virginia seceded from Virginia to stay in the Union.
Frank, as Professor Kralle, claims to have invented 'regressive analysis'. Regression analysis, aka linear regression, is a statistical method for finding the relationship between two variables (Y=a+bX). It has been around since the early 1800s, and today is used routinely in processing research data.
The first half of this two-parter is titled "...Part 1" on screen but the second half uses a Roman numeral (Part II).
The music used at the end of Act II was originally used in "Strangers in Our Own Land," on Hawaii Five-O. It was composed by Morton Stevens.