The charming Olympian has taken a massive risk, moving from Plymouth to London and parting ways with his life-long coach Andy Banks to work with new coach Jane Figueiredo. He's also learning a new dive in pursuit of an Olympic gold medal – the one title he hasn't won yet.
As well as the work side of his life, Tom's giving us access to her personal life too, as he comes out and we meet his other half, Dustin Lance Black. The documentary will be with them as their relationship develops and they become engaged.
Tom will be battling hard to take home that gold medal in Rio in honour of his late father, and we'll be cheering him on every step of the way.
Tom Daley: Diving For Gold, ITV, 8pm
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