2017 saw the 8th film in the "Saw" franchise, & 3 additional letters were needed for this, its title
Jigsaw
Mr. Spock was big into this, the science behind being justified by reason
Logic
1998's Belfast Agreement is also named for this spring holy day
Good Friday
Emily Elizabeth & this large colorful canine have many adventures in works by Norman Bridwell
Clifford (The Big red Dog)
This largest seal, which can weigh 8,000 pounds, is named for another large mammal
Elephant Seal
This 1931 film had the tagline "A monster science created but could not destroy!"
Frankenstein
Pertaining to Benedict XVI or Boniface VIII
Papal
In a commercial Chris Sullivan gives voice to "Guess what day it is!... Mike Mike Mike Mike Mike! What day is it, Mike?"--this day
Hump Day (Wednesday)
She wrote the classics "Ramona the Pest" & "Beezus & Ramona"
Beverly Cleary
In 2018 Diana Taurasi became the first 8,000-point scorer in the history of this league
The WNBA
Doris tries to play on this board alone (totally against the rules) & learns the "Origin of Evil" in a 2016 movie
a Ouija board
These were 2 types of columns in Ancient Greece
Doric & Ionic
Laissez les bons temps rouler, y'all! Mardi Gras translates to this
Fat Tuesday
In Kipling's "The Jungle Book", this mongoose faces off against 2 cobras to protect his human family
Rikki Tikki Tavi
The M.I.T. Agelab estimates that this period of your life will last about 8,000 days--don't run out of savings
Retirement
In 1990 Christine Elise battled this homicidal doll; in 2019 it was Aubrey Plaza
Chucky
This word denoting being simple or guileless is from Old French for "natural"; we hope you're not..
Naive
In a song by The Cure, "Thursday I don't care about you, it's..." this title
Friday (I'm in love)
Mary Pope Osborne has taken kids all through history as Jack & Annie travel in this magic structure
The Magic Tree House
Measured at the Equator, this distance is just a bit under 8,000 miles
Diameter of the Earth
This Australian actress starred in the 2018 horror "Hereditary" about a family with dark secrets
(Toni) Collette
This block wedged under a wheel comes in handy when changing a tire
Chock
During WWI the U.S. Food Administration called for this alliterative, vegetarian day
Meatless Mondays
Milo learns about time from a watchdog named Tock after driving through this mysterious title object
The Phantom Tollbooth
As per its name, this seat of Pitkin County, Colorado has lots of trees--they release the oxygen humans need at 8,000 feet
Aspen