This is a worthy sequel to "Romancing the Stone", although not as polished, with the featured actors already a little stilted after the first outing. It is probably significant that the following 15 years have not yet seen a further addition to the series, despite the star quality and charisma of the two leads who do play comedy well together, both in this truncated series and in the blacker "War of the Roses". The film suffers from a disjointed plotting, which appears to serve only to link together both some admittedly fine action sequences (a ground-based escape in an F-16 fighter plane, among them) and also the interminable arguments and subsequent reconciliations between Douglas and Turner.
Whilst certainly not reaching the heights of style of the original film, "The Jewel of the Nile" nevertheless provides a good rounded slice of action/adventure/romance entertainment, with some witty one-liners for DeVito delivered in his own inimitable style and featuring an endearing cameo from Avner Eisenberg as the mystical `Jewel' of the film's title who delivers his religious and philosophical pronouncements in a curious combination of the spiritual world and western pop culture.