The shark was later euthanized, as animal control officials found that it was injured.
The bite was the second most powerful of any animal on Earth.
This year's Discovery Channel event promises more than 20 hours of jaw-dropping shark programming throughout the week with a record 24 specials.
It's almost that time of year again as Shark Week 2020 is set to return to televisions with a jam-packed schedule for viewers to sink their teeth into.
Imahara, who died suddenly, was also known for Netflix's "White Rabbit Project" and was a long-time Hollywood visual effects professional.
"It was by far the most horrifying moment of my entire life," survivor Deborah Scaling-Kiley said, recalling seeing her friend killed.
The conclusion of Shark Week will give viewers a chance to rewatch some of their favorite content.
Just as sharks need water to survive, so do humans, so be sure to alternate alcoholic beverages with glasses of water.
Shark Week's success surprised even its creator.
The programming week has been going strong since 1988.
The team will travel through an underground network of chambers and tunnels where it is thought 40 mummies once part of the noble elite were entombed.
A new 'Discovery Channel' series chronicles how James Fitzgerald pioneered the use of linguistics in criminal investigations to crack the Unabomber case.