Here's a selection of the best high definition content available on UK TV today.
Comedy
Two new comedies arrive again tonight on Channel 4 HD. Series two of The Big Bang Theory (11.05pm) sees Sheldon put in an uncomfortable position when Penny confides that her first date with Leonard was underwhelming.
That's followed by a repeat showing of series three of My Name Is Earl.
Documentaries
Nicholas Crane's Britannia: The Great Elizabethan Journey concludes tonight at 9pm on the BBC HD channel. This episode Crane traverses Ireland.
Films
Pick of the films on the Sky channels include Rushmore (11.40pm, Sky Comedy HD), The Commitments (8pm, Sky Modern Greats HD), Eyes Wide Shut (10pm, Sky Modern Greats HD), Rob Roy (7.35pm, Sky Action/Thriller HD), The Bourne Ultimatum (10pm, Sky Action/Thriller HD), Michael Clayton (10.15pm, Sky Drama HD), Romancing the Stone (6.50pm, Sky Screen 1 HD), Full Metal Jacket (10pm, Sky Screen 1 HD) and The Sixth Sense (9pm, Sky Screen 2 HD).
Sport
There's live Carling Cup Football action on Sky Sports 1 HD at 7.30pm as Manchester United takes on Derby County in the second leg of the semi-final.

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