Rising Damp to his belief in some aspect of Philip's lore: for example, the 'love wood' which fails to excite Miss Jones (in the 'Charisma' episode, first broadcast 1974). Philip is an intelligent, educated man (more so than the moderately educated Alan and Miss Jones), he is sophisticated and suave; this makes Rigsby suspicious of him, particularly as Miss Jones openly fancies him. Philip does not reciprocate Miss Jones's romantic interest. Croydon was not revealed to be the true birthplace of Philip until the film version of "Rising Damp" (1980). Don Warrington commented in Britain's 50 Best Sitcoms on Channel 4, that
Rising Damp penetrating the inner wall is visible as a darker patch on the plaster lining of the inner wall, usually starting at floor level on the ground floor and rising up from there, hence the term. In extreme cases, salt leached out of the wall forms crystals on the surface of the plaster as the water evaporates. The appearance of rising damp everywhere in a house is a symptom of neglect, age, decrepitude etc. This includes the film version, since Carlton had acquired the rights to the film, and through the mergers of the various ITV companies Granada Television subsequently acquired