I love #37 because Marco's just so spot-on during it, and runs the gamut of his many hats. Group sense of humor who watches kids' TV? Uncooperative, immature, petulant, brutally honest jerk? Paranoid and hesitant strategist? Pain in the neck? BAMF with a cobra morph? It's all in there! It tickles my fangirlishness in all the right places.
Also, HAWKS DROPPING SNAKES. That has to be the most terrifying thing to be a victim of, besides maybe jumping sharks.
Personally, I felt that Rachel was alright in #37 if you read it as "I resent authority and don't want to take orders from Marco" instead of "I wanna be leader!".