Episode 18 is the fifth episode of Season 2 of Alex & Co. and the 18th episode overall. It premiered in Italy on October 11, 2015.
All boys start their extracurricular activities. Sam finally meets Math Girl, but she is not as he expected. Actually, he is approaching more and more to Rebecca as they spend many hours studying together. Nicole participates at the first cooking class with David, but it is not quite a success.