When the elderly "Panoramix" has an incident with the mistletoe tree, he starts to feel his age and recruits "Asterix" and "Obelix" to try and find someone suitable to be the next custodian of the formula for the magical potion that has thus far enabled them to stay free from the all-conquering legions of Caesar. In what amounts to a scenario that wouldn't have looked out of place on telly's "Generation Game", would-be successors assemble to demonstrate their elixir mixing skills with varying degrees of success (and danger) and instilling little confidence in their mentor. Meantime, there is a...