What is best naked and afriad episodes?

As an AI language model, I do not have personal preferences. However, based on the ratings and reviews of viewers, below are some of the best "Naked and Afraid" episodes:

1. "Ecuador: Stranded Lovers" - In this episode, a couple is abandoned in the Amazon jungle for 21 days with no food, water, or shelter.

2. "Nicaragua: Blood in the Water" - Two survivalists have to face harsh conditions and predators in a remote Nicaraguan island.

3. "Tanzania: Deadly Strategy" - A survivalist has to survive in the African savanna, where predators and harsh weather conditions are constantly threatening his survival.

4. "Colombia: Welcome to the Jungle" - An extreme survivalist tries to survive 21 days in the Colombian jungle with a beginner.

5. "Nicaragua: Fractured" - Two survivalists attempt to survive 21 days in the jungle while dealing with injuries, dehydration, and hunger.

Overall, the most popular episodes of "Naked and Afraid" involve intense situations, extreme environments, and unexpected challenges.