Unless you've been plane-wrecked on a deserted island for the past six years, you no doubt are aware of the frenzy building for the debut Tuesday of the sixth and last season of ABC's "Lost."

This complicated saga involving the survivors of Oceanic Airlines Flight 815 that crashed on a mysterious South Pacific island has for the most part held strong ratings and leads the industry in DVD sales, video-on-demand and iTunes downloads.

The last episode of Season 5 aired May 13, 2009. So, how much do you remember?

Here's a quiz (Warning: spoiler alert!):

Answers follow.

1. What does DHARMA stand for?

a. Department of Hepatology and Research on Manual Applications
b. Department of Heuristics and Research on Man's Ascension
c. Department of Hepatology and Research on Man-made Applications
d. Department of Heuristics and Research on Material Applications

2. How many folks were aboard Oceanic Airlines 815 when it crashed?

a. 353
b. 324
c. 197
d. 402

3. What did John Locke donate to his father?

a. $3,000
b. Stem cells
c. Kidney
d. Portion of his liver

4. What are the first names of the couple introduced in Season 3 who were so despised by fans that show-runners had them buried alive as a way to exit the series?

a. Vincent and Kate
b. Nikki and Paolo
c. Charlotte and Daniel
d. Rose and Bernard

5. The repetitive series of numbers in the show add up to what total?

a. 112
b. 113
c. 108
d. 98

6. Match the characters to their means of apparent demise:

1. Leslie Arzt
2. Boone Carlyle
3. Mr. Eko
4. Charlie Pace
5. Roger Linus

A. Drowning
B. Toxic gas
C. Blown to bits
D. Smoke monster
E. Plane falls from tree

7. What machine did the show's producers use to make the sound of the smoke monster?

a. Hamilton Beach blender
b. Grand Central Station's train schedule flipping sign
c. Black & Decker electric drill
d. Receipt printer from a New York City taxi

8. Which of the following is not a nickname used by Sawyer to refer to Hurley?

a. Mongo
b. International House of Pancakes
c. Mr. Ed
d. Jethro
e. Deep Dish

9. What is written on the back of Sayid's photo of Nadia?

a. "You will always be in my heart"
b. "With love, Nadia"
c. "You will see me in the next life, if not in this one."
d. "All we really need to survive is one person who truly loves us."

10. Which character confessed, "I think I crashed your plane"?

a. Ben Linus
b. Desmond
c. Jacob
d. John Locke

11. All but one of the following books have been featured either in the background or being read by a character. Which one hasn't?

a. "Valis" by Philip K. Dick
b. "Are You There, God? It's Me, Margaret" by Judy Blume
c. "Slaughterhouse-Five" by Kurt Vonnegut
d. "The Third Policeman" by Flann O'Brien
e. The Bible

12. What was inside the Virgin Mary statues on the Beechcraft?

a. Cocaine
b. Rosary beads
c. Heroin
d. Money

13. What group provided financial backing to the DHARMA Initiative?

a. The Hanso Foundation
b. The Charles Widmore Group
c. The Brookings Institute
d. Mittelos Bioscience

14. What is the name of the underwater station Charlie swam to?

a. Cerberus
b. The Looking Glass
c. The Abyss
d. Nautilus

15. When the Losties captured Ben Linus, what did he tell them his name was?

a. Henry Gale
b. Jacob
c. James LaFleur
d. Tom Brennan

16. Name three items Kate and Tom buried in their childhood time capsule?

a. Lunchbox, ski cap and toy airplane
b. Toy airplane, baseball and audio cassette tape
c. Ski cap, 8-track tape and toy airplane
d. Toy soldier, 8-track tape and baseball

17. What is the song Charlie typed out on the keypad in the underwater station to disable the communication scrambler?

a. "You All Everybody" by Drive Shaft
b. "Make Your Own Kind of Music" by "Mama" Cass Elliot
c. "Downtown" by Petula Clark
d. "Good Vibrations" by the Beach Boys

18. Who is Daniel Faraday's "constant"?

a. His mother, Eloise Hawking
b. Charles Widmore
c. Ben Linus
d. Desmond

19. Where did Hurley and Libby first meet?

a. Black rock
b. Vegas
c. Radio tower
d. Santa Rosa Mental Health Institute

20. What is the name of Walt's dog?

a. Vincent
b. Charlie
c. Max
d. Buddy

21. After Charlotte reveals she speaks Korean, Daniel asks if she knows any other languages. How does she respond?

a. Just Australian
b. Just Na'vi
c. Just Klingon
d. Nada

22. What is the black rock?

a. Home of the smoke monster
b. Wrecked ship on the island
c. Hideout for the "Others"
d. DHARMA Station 2

23. How many toes are on the remnant of the giant marble foot statue on the beach?

a. 5
b. 3
c. 4
d. 6

24. Who is Miles' father?

a. Mr. Paik
b. Jin
c. Dr. Pierre Chang
d. Dr. Christian Shephard

25. What does Isabel claim is the meaning of the tattoos of four Chinese characters on Jack's left shoulder?

a. "Stranger in a strange land"
b. "The eagles fly up in the sky"
c. "House of the rising sun"
d. "He walks amongst us but he is not one of us"

26. Who is the character, first seen in Season 3, who doesn't appear to age and travels freely between the island and the "real world"?

a. Dr. Christian Shephard
b. Jacob
c. Charles Widmore
d. Richard Alpert

27. What did Charlie write on his hand just before he died?

a. Help
b. Leave now!
c. Not Pennys boat
d. Save Aaron

28. Where does Sun find her wedding ring?

a. In Aaron's cradle
b. Next to the guava tree in her garden
c. Under the stash in Sawyer's tent
d. Under the message bottle buried in the sand

29. What power does Miles have?

a. Time travel
b. Ghost whisperer
c. Controls the monster
d. Predicts earthquakes

30. What happened on Sept. 22, 2004?

a. Oceanic Airlines 815 crashed
b. ABC's "Lost" debuted
c. An obsession began
d. All of the above

Bonus:

Name three "Lost" characters who share names with famous historical scientists and philosophers.

---

1) d; 2) b; 3) c; 4) b; 5) c;

6) 1-C, 2-E, 3-D, 4-A, 5-B;

7) d; 8) c; 9) c; 10) b; 11) c;

12) c; 13) a; 14) b; 15) a; 16) b;

17) d; 18) d; 19) d; 20) a; 21) c;

22) b; 23) c; 24) c; 25) d; 26) d; 27) c;

28) d; 29) b; 30) d.

Bonus Answers:

John Locke (after the philosopher, John Locke)
Jeremy Bentham (after philosopher Jeremy Bentham)
Danielle Rousseau (after philosopher Jean-Jacques Rousseau)
Desmond David Hume (after philosopher David Hume)
Edmund Burke, Juliet's ex-husband (after philosopher Edmund Burke)
Mikhail Bakunin (after the anarchist philosopher Mikhail Bakunin)
Daniel Faraday (after physicist Michael Faraday)
Eloise Hawking (after physicist Stephen Hawking)
Richard Alpert (the birth name of spiritual teacher Ram Dass)
Anthony Cooper, Locke's father (after philosopher Anthony Cooper)