Like Collectors, Can We Help? is another in the ABC's inventory of cheap, cheerful and inoffensive panel shows. It, too, is a well-oiled machine, albeit one that is slowly approaching its use-by-date and perhaps in need of an overhaul. For starters, who is it aimed at? Hard to tell when faced with less-than-compelling questions, such as "What is phishing?", "When was the internet invented?" and "How big is the internet?". (Official answer: So big Google has stopped counting; unofficial answer, who cares?). Geoff Hutchison's history segment recreates the 1934 aeroplane race from London to Australia, a graphologist explains, albeit unsatisfactorily, the connections between a person's handwriting and their personality but it's left to the ever-reliable, warm-and-fuzzy reunion segment to tide the viewer over. Tonight, a father in Britain tracks down his son in Perth after an absence of more than 20 years.