- IT'S ALMOST 3:00,

AND THE BOYS ARESTILL ON THE SHUTTLE.

- WE'RE GETTING CLOSE.ARE YOU GUYS GETTING PSYCHED?

adults: WHOO!

- BUT WHAT THE BOYSDON'T REALIZE

IS THAT A MASSIVE STORMIS BREWING.

LAST NIGHT, ERIC CARTMANHAD KUNG PAO SPAGHETTI

FROMCALIFORNIA PIZZA KITCHEN.

INSIDE ERIC'S STOMACH,THE KUNG PAO HAS JUST MET

WITH THE DEL TACOHE ATE FOR BREAKFAST.

IT HAS ALREADY STARTEDTO TEAR DOWN THE LAYERS

OF BARBECUE BK TOPPERS

THAT HAVE BEEN BUILDING UPFOR MONTHS.

AND NOW, TO COMPENSATEFOR ALL THE ANNOYING TOURISTS,

ERIC IS INGESTING MASSIVEAMOUNTS OF MOUNTAIN DEW.

THE CAFFEINE AND SUGAR

TURNS THE SOUPY FAST-FOOD LIQUIDIN HIS STOMACH

INTO A TOXIC GAS.

WHEN THE GAS IS RELEASED,IT CARRIES WITH IT

TINY PARTICLES OFERIC'S FECAL MATTER--

FECAL MATTER WHICH FLOATS UPAND INTO KYLE'S NASAL PASSAGE.

- DUDE, DID YOU FART?

- NO.

- ALL RIGHT, GUYS.WE'RE HERE.

- THANK GOD.

- ALL RIGHT, HERE WE ARE.

LOOKS LIKE WE GOT SOME GOOD NARTO ZIPLINE THROUGH TODAY.

UH, BEFORE WE CLIMB UPAND START ZIPLINING,

DOES ANYONE CARE TO KNOW ABOUTTHESE TREES' BIOLOGY?

- THE TREES' BIOLOGY?

- WE ARE RUNNINGA LITTLE LATE,

BUT IF ANYONEREALLY WANTS TO KNOW,

WE COULD TAKEA FEW MINUTES.

- I THINK WE'RE GOOD.

- I'D LIKE TO KNOW ABOUTTHE BIOLOGY OF THE TREES.

- OKAY, WELL,THIS IS A PONDEROSA PINE.

IT COVERS A MORE EXTENSIVE AREATHAN OTHER AMER--

- SO AFTER ASSHOLE GETSHIS BIOLOGY LESSON,