Complex sentence: The dad doesn't feel that he can impress him and ends up committing suicide each episode, but as he goes off to kill himself, in truth Timmy is deeply fond of his Dad but this is revealed too late.
Split into simpler sentences: The dad doesn't feel that he can impress him and ends up committing suicide each episode. As he goes off to kill himself, Timmy, who is in reality is deeply fond of his Dad, reveals the truth too late.