 Gunn said he learned many of his presenting skills in his first few months at Christchurch from the experienced children's TV crew and presenters around him.He hosted 'After School' (1989) and co-hosted "The Son of a Gunn Show" (1992–1995) and "Jase TV" (1992) with his sidekick Thingee, a grey puppet with bulbous eyes.Gunn and Thingee also starred in "Jase and Thingees Big Adventure", a straight-to-video kids movie based on "The Son of a Gunn Show".