Can't Miss Attractions!

Ooh, fun one!

MK: Haunted Mansion and Cosmic Ray's
Epcot: Soarin and Karamell Kuche
AK: Everest and Yak and Yeti
HS: Rock N Roller Coaster, Tower of Terror and Starring Rolls for a cupcake or 5

MK: Pirates and Haunted Mansion
Epcot: Soarin and the Japanese Pavilion (and maybe Test Track if we ever get to ride it!)
AK: Safari and EE for hubby
HS: TT for hubby, Star Tours for me, and Starring Rolls for both of us.

MK: Carousel of Progress and TTA Peoplemover
Epcot: Spaceship Earth and Soarin
HS: Star Wars and Rockin Rollercoaster
AK: Maharaja Jungle Trek and Pangani Forest Trail

MK:POC and Hall of Presidents
Epcot:"Soarin'
AK:Festival of the Lion and EE
DHS:Indiana Jones and TOT

Here's mine:
MK: Pirates of the Carib.
Epcot: Soarin/Test Track (in no particular order)
AK: Kilamanjaro safari
DHS: Toy Story Midway Mania

I will second Vettelover's selections.

Magic Kingdom: Carousel of Progress, Hall of Presidents, and the parades!
Epcot: Spaceship Earth and any of the street performers around the showcase
Animal Kingdom: All of the animals!
Hollywood Studios: Star Tours and One Man's Dream

I've got way too many, so I'll try and keep it brief.

Magic Kingdom: Jungle Cruise, the Haunted Mansion, Root Beer float from Aloha Isle.(we always go to MK on our 1st day, so gotta have my Root Beer fix)

Epcot: Soarin', Japan.

Animal Kingdom: Expedition Everest, the monkey island in Asia (love watching them)

Hollywood Studios: Indiana Jones Stunt Show, The Great Movie Ride ( I'm a massive film nerd so love 'em both)

MK: Peter Pan's Flight and a Dole Whip
Epcot: Soarin and a Grey Goose Slushy
AK: Kilimanjaro Safari
HS: Tower of Terror & Toy Story Mania

Hold on here! Stop the boat! (Sound of screeching tires, People getting thrown to the front of the boat) Wait, you go to Aloha Isle to get a Root beer Float? Not a Dole Whip, not even a Dole Whip Float! A Root beer Float? And probably with vanilla ice cream too! Aaaaaaaaaaaahhhhhhhhhhhhh! Thats sacrilege! Oh My God!

Okay I'm done.

Just kidding

My wife is a HUGE Dole Whip fan, so she get here fix and I get mine. We normally go to WDW for our main vacation, so it's only one a year or every two years, so getting Root Beer is a priority !!!!! Although I can buy it in Aberdeen, I normally just get it on special occasions or if I need a bit of a Disney memory pick me up.

I'm only going to pick one thing from each park, but of course there are actually many, many more rides, attractions, and edibles that I can't miss. And I'm not including limited-time special events like the Food & Wine Festival or the Osborne Lights, which are definitely can't misses.

MK - Haunted Mansion
Epcot - Test Track
DHS - Toy Story Midway Mania
AK - Actually, I can skip all of AK and not feel that I've lost out on anything. But if we go to AK for hubby's sake (his favorite park, my least favorite), I wouldn't want to miss Festival of the Lion King.

MK: POC and Haunted Mansion
Epcot: Soarin
DHS: TSM, RRR, and TOC....and Animation Academy
AK: Finding Nemo and EE and Yak and Yeti

Everything except Space Mountain and It's a Small World

You know I was thinking this over wondering what my choices may be, and I realized I don't think I really have one. It used to probably be Space Mountain, but I have been a couple times now without riding it. My favorite attraction is the Laugh Floor, but I don't think I would care too much if I missed it. The whole is greater than any part for me now. Maybe it is simply because I have experienced them all often. Maybe this doesn't make sense to anyone else, but I was wondering if I was the only one here. Carry on naming can't misses.

MK: People Mover, Monsters Inc Laugh Floor
DHS: Fantasmic, Muppet Vision 3D
AK: It's Tough to be a Bug
EP: France perfume shop, Soarin'

MK - Peter Pan, People Mover
Epcot - Spaceship Earth, walking the WS a bunch of times, Teppan Edo
HS - Muppets, Starring Rolls for cupcakes, Writers Stop for that carrot cake cookie
AK - Lion King

Nice!! Love the Dawa and the sugar cane mojito. Especially with a beef pita or chicken tanodoori salad from Tamu Tamu

MK = Pirates
Epcot = Soarin
HS = Toy Story Mania
AK = Festival if the Lion King.

Mine woulde be:

MK = POTC, HM, SM, and TSI.
EPCOT = Soarin, 3 Cabanaros
AK = EE
HS = RNRC, TSM

Mine are:

MK: Pirates, Haunted Mansion, Thunder Mountain, and Peter Pan
E: Soarin, Rose & Crown Pub
AK: Kilamajaro Safari
HS: Toy Story Mania