For checking the transcript: https://www.buzzsprout.com/2379282
At stake
refers to something that’s at risk, or something valuable that could be lost or gained depending on the outcome of a situation. 

Examples:
1- The team realized that with the championship title at stake, they had to play their best game ever. 
2- As they argued about who should get the last slice of pizza, Tim jokingly said, Don’t you know my happiness is at stake here?