Go to Wikipedia (as the most convenient resource), and copy the list of movies that were released in the year when you were 12 years old. Mark in italics the movies that you've seen. (Not necessarily that year.) Mark in bold the movies that you own on video, DVD, Blu-Ray or whatever.
If you're not sure if you've seen a movie, you haven't.
Films released in 2002
#
8 Mile
8 Women
13 Moons
24 Hour Party People
25th Hour
28 Days Later, directed by Danny Boyle, starring Cillian Murphy
40 Days and 40 Nights
A
Abandon
About a Boy
About Schmidt
Adaptation, directed by Spike Jonze, starring Nicolas Cage, Meryl Streep and Chris Cooper
The Adventures of Pluto Nash
Ali G Indahouse
All About Lily Chou-Chou
All About the Benjamins
Analyze That
Antwone Fisher
Austin Powers in Goldmember, starring Mike Myers and Beyonce Knowles
Auto Focus
Avenging Angelo
B
Back by Midnight
Bad Company
Ballistic: Ecks vs. Sever
Bend It Like Beckham
The Best Day of My Life
Better Luck Tomorrow
Big Fat Liar
Big Trouble
Birthday Girl
Blade II
The Blood Stained Route Map
Blood Work
Bloody Sunday
Blue Crush
Boat Trip
Bolivar Soy Yo
Book of Love
The Bourne Identity
Bowling for Columbine
Brotherhood of the Wolf (U.S. release)
Bubba Ho-tep
The Burial Society
Buying the Cow
C
Callas Forever
Catch Me If You Can
Chance
Changing Lanes
Chat Room
Chicago
Cinema Paradiso: The New Version (director's cut re-release)
City of God
Civil Brand
Clockstoppers
Collateral Damage
The Count of Monte Cristo
The Country Bears
The Crocodile Hunter: Collision Course
Crazy As Hell
Crossroads
Cubic
D
The Dancer Upstairs
The Dangerous Lives of Altar Boys
Dark Blue
Darkness
Dead Gorgeous
Dead in a Heartbeat
Death to Smoochy
Deathwatch
Demon Island
Deuces Wild
Die Another Day
Dirty Deeds
Divine Intervention
Divine Secrets of the Ya-Ya Sisterhood
Dragonfly
E
E.T. (20th anniversary edition)
Eight Crazy Nights
Eight Legged Freaks
Emergency Act 19
The Emperor's Club
Enough
Extreme Ops
Evelyn
F
FeardotCom
Femme Fatale
The First $20 Million Is Always the Hardest
Frailty
Frida
Full Frontal
G
Gangs of New York
Ghost Ship
Godzilla Against Mechagodzilla
The Good Girl
The Good Thief
Groom Lake
The Guru
H
Halloween: Resurrection
Harry Potter and the Chamber of Secrets
Hart's War
Hero
Hey Arnold!: The Movie
High Crimes
Hollywood Ending
Home Room
L'homme du train (The Man on the Train)
The Hours
I
Ice Age
Igby Goes Down
Impostor
In America
In This World
Infernal Affairs
Insomnia
Interstate 60
J
Jason X
John Q
Jonah: A VeggieTales Movie
Juwanna Mann
K
K-19: The Widowmaker
K-9: P.I.
The Kid Stays in the Picture
Kiss the Bride
Kung Pow: Enter the Fist
L
The Laramie Project
Last Call
Life or Something Like It
Like Mike
Lilo & Stitch
Lilya 4-ever
The Lord of the Rings: The Two Towers
Love And A Bullet
M
Madame Satã
Maid in Manhattan
The Magdalene Sisters
The Man from Elysian Fields
The Man Who Saved Christmas
Martin Lawrence Live: Runteldat
The Master of Disguise
Melinda's World
Men in Black II
Men with Brooms
Millennium Actress (English version release date, orig. Japanese released 2001)
Minority Report
Morvern Callar
The Mothman Prophecies
Mr. Deeds
Murder by Numbers (The first 15 I saw in the cinema - My Mum and I went to see this while my dad saw Star Wars: II)
My Big Fat Greek Wedding
N
National Lampoon's Van Wilder
New Best Friend
The New Guy
O
On Line
One Hour Photo
Orange County
Over the Rainbow
P
Personal Velocity: Three Portraits
Panic Room
Phone Booth
The Pianist
Pinocchio
Pokémon 4Ever
Possession
The Powerpuff Girls Movie
Puckoon directed by Terence Ryan
Pumpkin
Punch-Drunk Love
Q
Queen of the Damned
The Quiet American
R
R.S.V.P.
Reign of Fire
Resident Evil
Return to Never Land
The Ring
Road to Perdition
Rollerball
The Rookie
Rose Red
The Rules of Attraction
S
S1m0ne
The Salton Sea
Saving My Hubby
Scooby-Doo
The Scorpion King
Secretary
Secret Things
Serving Sara
Sex Is Zero
Showboy
Showtime
Signs
The Singles Ward
Skinwalkers
Slackers
Snow Dogs
Solaris (2002 film)
Sorority Boys
Spider
Spider-Man
Spirit of Korean Celadon
Spirit: Stallion of the Cimarron
Spun
Spy Kids 2: The Island of Lost Dreams
Star Trek Nemesis
Star Wars Episode II: Attack of the Clones
Steal
Stealing Harvard
Stevie
Stolen Summer
Stuart Little 2
Sunshine State
The Sum of All Fears
The Sweetest Thing
Swimfan
Swing, directed by Toni Gatlif
T
Tadpole
Talk to Her
They
Timequest
Time Changer
The Time Machine
Treasure Planet
The Tuxedo
U
Ultraman Cosmos 2: The Blue Planet
Undercover Brother
Undisputed
Unfaithful
V
Valentín
W
Waiting for Happiness
A Walk to Remember
Walking on Water
We Were Soldiers
Welcome to Collinwood
Whale Rider
White Oleander
The Wild Thornberrys Movie
Windtalkers
X
xXx
I've seen 77 of these films. That's a lot.