914 shares
In the days since the first documentary aired, Katie shared the sweet moment she told eldest son he was going to be a train announcer.
Katie uploaded a YouTube video showing her telling him he'd get to call out some of the trains on whatever route he liked, with the teen clearly delighted by the surprise.
Emotional viewing: Harvey, 18, brought viewers to tears when he appeared alongside his mother Katie, 42, in the emotional Harvey And Me this week
In the video, Katie thanked fans for their overwhelming support since the documentary aired, and revealed to Harvey she had a surprise.