Survivor Know-It-Alls is back as Rob Cesternino and Stephen Fishbach dig into the latest drama from Survivor 49, week 12.

One alliance member must decide if they should flip against one of their own in a new episode of "Survivor" airing on Wednesday, December 10.

Tensions are heating up as the "Survivor" Season 48 finale approaches. During episode 12, titled "Icarus Time," contestants continue to "pick off the outsiders," as some castaways waited "for the ...