The World's Greatest Dad is the story of Lance Clayton (Robin Williams), a high-school teacher who struggles to maintain his relationship with his difficult teenage-son, Kyle. When his son dies as a result of auto-erotic asphyxiationa (Look it up if you really want to know...), Lance takes it upon himself to rescue his son's dignity, making it look like suicide and writes a note to explain. However the note's poignancy and imagery make people ask questions about who Kyle was and how he was such a good writer. As life gets better and better for Lance, he is faced with difficult decisions whether to keep riding his son's coat-tails or to admit to the world that he writes all of Kyle's post-humous releases...
An extremely morbid and disturbing subject about the loss of a family member, Williams somehow manages to make this palatable in his disarmingly candid acting-style. As charity, attention and sympathy means that he is suddenly catapulted into the centre of his insular world, Lance Clayton actually enjoys his life more after the passing of his son, who was "kind of a douche" anyhow. This is a fairly abhorrent notion that a parent would prefer their offspring being dead than alive but hence the intrigue of the film. Evan Martin plays Kyle's only friend, Andrew, who is highly suspicious of the 'new' Kyle the world is becoming fad-obsessed with.
There is a love-interest for Williams's character which provides some light-relief to an otherwise rather weighty film (the initial discovery of his son will have you close to tears if not bawling) and the interaction between some of the people will ring true to experiences you may have already had.
Extra content: There is an audio commentary and making of featurette, plus the usual suite of deleted scenes and outtakes. Also features a music video from The Deadly Syndrome playing "I Hope I become a Ghost", which is minimalistic but entertaining.
A believable - if a little morbid - concept that will leave you thinking about how people romanticise the departed, worth it alone for Williams's best performance in over a decade.