Corden brought at least 7 rolls of toilet paper, because you never know. Unfortunately he didn't being any water. So he had to squeeze water out of a piece of poop, just like he saw Bear Grylls once do.
On the hike the two stars talked about various hike related topics. Corden asked Pratt, "Now, if we got stuck out here, would you eat me? Which part would you eat first?" Pratt replied, "I probably would just cut you open and sleep inside you if it got cold like Star Wars."
The two finally made it to the top of the hill with a little help from the band The Proclaimers. Pratt and Corden sang loudly sang "500 Miles" as they crest the top of the hill.