Wiktionary
spot on
a. (context British US idiomatic English) exact or correct.
Wikipedia
Spot On (New Zealand)
Spot On was a New Zealand Children's Television series which aired between in 1973 and 1988. The format was a weekly show with three presenters, based on the format of the UK show Blue Peter. Commonly one presenter was replaced each year. The show was produced by TVNZ at their Dunedin studios except for the final two seasons produced at the TVNZ Studio 4 facility in Christchurch.