The narrator of the shark TV show is supposed to be Rod Serling. Actor Mark Silverman is the only voice match actor recognized by the Serling estate.
The team talk of "contacting McMurdo to send an emergency response team". McMurdo is the emergency base unit that is in John Carpenters "The Thing" which the episode pays homage to in several other ways.
The narration words are from an 'Undersea World of Jacques Costeau' episode that Rod Serling did when he was alive, even though Mark Silverman provides the voice.
A few of the names on the glass cases for each species are Joey and Dee Dee. They were members of the legendary punk band The Ramones. They are written by cast member Tim Armstrong who is in the punk band Rancid.
The science station is run by Whipple Scientific. This is a nod to the original series episode 'The Brain Centre At Whipple's' and appeared a lot in the 2019 series.