The tearing of nametags when the BGM are all the special classic kind of Kai Kai.
The BGM when dancing is the theme song of "City of Love",Hotba has "is she with you",Chen He is afraid of "Hurt" before the game,Viva la vida, and "50 ways to say goodbye".
The soundtrack for the brothers' appearance was 'Jeg vil heller ha deg'.
The soundtrack to the director's introduction to Prague is 'Trumpet Concerto in D Major'.
The song about Prague sung by the babies is 'Prague Square'.
The soundtrack for Zhu Yawen and Yang Xuwen's appearance was 'Legend'.
The soundtrack for Yang Xuwen's choice of Dilijieba to be teased was 'Go! Chaffing Wives'.
Baby's choice of Zhu Yawen's background music is 'Push and Pull (Pure Music Version)'.
The soundtrack to the Czech brothers introducing themselves was 'My Demons'.
The soundtrack to the announcement that there would be solid gold medals was 'the benny hill show'.
The soundtrack to the announcement that there will be lots of Prague food appearing after the mission is 'I Am Mine'.
The soundtrack to Dee Reeve revealing the person she's looking for on the mission is 'the sneak'.
The soundtrack to the other members' reveal of the person they're looking for for their quest is 'Piggy Surge'.
The soundtrack to everyone filling the streets looking for the object of their quest is 'wrestling'.
The soundtrack to Luhan and Diliheba teasing the kids is 'Waltz in Daming Palace'.
The soundtrack to Luhan picking up his slippers is 'Walk Don't Rango'.
The soundtrack to Deng Chao and the gang taking on their mission is 'Come And Get Your Love'.