HD Highlights: August 7

Sky Movies Premiere: The Change-Up (Sky 20, 8.30, 5.1)  This raunchy comedy from the writer of The Hangover and the director of Wedding Crashers stars Ryan Reynolds and Jason Bateman as best mates — one’s a workaholic with kids, the other a womaniser who’s never grown up — who switch bodies and learn to be careful what they wish for. Occasionally uproarious but the toilet humour is too over-the-top. Leslie Mann co-stars. (2011) ✭✭✩

Coastwatch (TV One, 7.30) Fisheries move in on a group of men angering locals in Wellington; the maritime police for a crashed helicopter; and there’s a battle of wits in the Bay of Islands. ✭✭✭

Kings Cross ER (TV3, 8.00) Dr Tim Stewart and the Emergency team treat a 65-year-old man who has been found at the base of a stairwell with his pupils blown and a critical head injury. ✭✭✭

First Crossings (TV One, 8.30) Kevin and Jamie re-trace the first ascent of Mount de la Beche by Tom Fyfe and George Graham in 1894 – the first major peak conquered by New Zealand-born climbers. ✭✭✭✭