Tonight in HD: August 26

The Vampire Diaries (TV2, 9.45)

Friends (TV2, 6.30, R) ✫✫✫

As Rachel is about to turn 30, the gang remember their own disastrous and memorable 30th birthdays.

Shortland Street (TV2. 7.00) ✫✫✫

Bella smells a gold-digging rat; Brooke makes things right with Winston; TK’s shocked by Sarah’s worst fear.

New Zealand’s Next Top Model (TV3, 7.30) ✫✫

The final four try to impress some of NZ’s most influential designers; a photo shoot has one girl quivering, while another’s dream begins to unravel.

The Graham Norton Show (TV3, 8.30, R) ✫✫✫✫

With Matt Le Blanc, retail guru Mary Portas, comedian and Peep Show star David Mitchell, and Donald Sutherland.

Unzipped (TV One, 9.45) ✫✫

The countdown to show day continues with Trelise Cooper, Stolen Girlfriends Club, Sera Lilly and new label Maaike.

The Vampire Diaries (TV2, 9.45) ✫✫

Klaus is revealed and Elena learns shocking news about his motives; flashbacks to 1491 reveal Katherine’s introduction to Elijah and Klaus. Review: IGN.

Supernatural (TV2, 10.45) ✫✫✫✫

While Sam and Dean are investigating a UFO sighting, Dean is abducted from a crop circle — by fairies. Reviews: IGN, AV Club, The TV Obsessed.

Poking the Borax (TV3, 11.15) ✫✫

Pammie gets rid of her products at the Otara markets; Didio gets up close and personal with a bull breeder; Titchy raps with Rastafarian MCs.

NCIS (TV3, 11.45, 5.1, R) ✫✫

Gibbs starts second-guessing his own judgment when Vance assigns him a rookie to aid his team’s investigation into a deadly bank robbery.

FlashForward (TV2, 12.40, R) ✫✫✫

Keiko searches for Bryce while Mark and Vogel plot to uncover the FBI mole.

CSI: Miami (TV3, 12.45, 5.1, R) ✫✫

As Delko’s life hangs in the balance, Horatio flashes back 12 years to reveal how Miami’s CSIs first met and became a team.