In part three of their video about public transportation in Spain's capital, Isabel and Paula tell us about about the different transportation card options, including available discounts for certain travelers, as well as the possibility of certain embarrassing subway situations.

After eating too much over the holidays, Cristina decides she needs to lose some excess weight by going back to exercising. During her workout, she meets Rony, an old friend and avid parkour practitioner. Let's see if he can offer her any helpful advice.