Tonight in HD: May 20

Who will be prom queen on Glee?

Friends (TV2, 6.30, R)

Monica helps Ross tell his girlfriend that he loves her; Phoebe gets some surprising news about her pregnancy.

Shortland Street (TV2. 7.00)

Hunter crosses the line; Brodie can’t hide from the consequences; Daniel swears revenge.

Glee (TV3, 7.30)

When the entertainment for prom falls through, Principal Figgins asks New Directions to perform at the dance. What the critics say: Rolling Stone, Time.

Better With You (TV2, 8.00)

When Maddie gets laid off, she says she quit her job because she got a better one; Mia and Casey wonder if there’s a hidden negative message in a children’s book Vicky gave them.

The Graham Norton Show (TV3, 8.30)

Guests include Oscar-winner Jennifer Hudson, comedian Bill Bailey, and kd lang.

Smallville (TV2, 11.30)

Due to a gift from Zatanna, Lois and Clark lose their memories of their respective bachelorette/bachelor parties. As they trace their steps, Clark realises he may have robbed an armoured car.

CSI: New York (TV3, 12.15, 5.1, R)

Young brides-to-be fight over a dress at the biggest wedding gown sale of the year and one of the shoppers winds up dead.

FlashForward (TV2, 12.30, R)

Olivia and Bryce disagree on using a patient’s flashforward in a diagnosis; Nicole returns and her flashforward is revealed.