This document analyzes audience participation on Twitter for the Italian political talk show "Servizio Pubblico" and entertainment show "X Factor". It finds that peaks in Twitter engagement are triggered by surprise for both shows and suspense for X Factor. Original tweets are more common for X Factor, suggesting it encourages more participation. Opinions are expressed more indirectly in political discussions through jokes or linking to information. Emotions are more frequent for X Factor tweets. The study provides insights into how TV format influences social media discussion styles.