In the very first episode, we see news footage of a bouncy castle flying away from the wind and you can see children running and screaming. However, we do find out that a man rescued all these children who is one of the main characters.
Ja'mie talks about several of the diseases in poor countries and it can be a little distressing.
Nathan sometimes throws tantrums when he's embarrassed because he couldn't hear or do something since he's deaf. (May be distressing for viewers.)