The Tandarans were originally going to be named Mazarites. That name would later be used in "Fallen Hero".

When Colonel Grat picks up his little hand-held unit when he and Archer first meet, it makes a faint but suspiciously familiar sounding squealing noise, like the handunit that Al (played by the same actor, Dean Stockwell) used in Quantum Leap...which also starred Scott Bakula.