Television content available through Apple’s iTunes Store continues to grow.

HBO and Apple today officially announced that programming from HBO is now available for purchase and download via the iTunes Store. Programs include The Sopranos, Sex and the City, Deadwoo, Rome, Flight of the Conchords and The Wire.

“We’re very excited to make these legendary HBO programs available on the iTunes Store,” said Henry McGee, president of HBO Video. “Whether catching up on Sex and the City in anticipation of its upcoming movie release or reliving a favorite Sopranos episode, we think viewers will love being able to watch these shows on their iPod or iPhone.”

Television shows purchased and downloaded from the iTunes Store can be viewed on a Mac or PC, iPod nano with video, iPod classic, iPod touch, fifth generation iPod, iPhone or on a widescreen TV with Apple TV.

With the announcement, Apple also introduces more variation in pricing for TV shows. Sex and the City, The Wire and Flight of the Conchords are $1.99 per episode, and The Sopranos, Deadwood and Rome are priced at $2.99 per episode.

At this point, the biggest hole in Apple’s iTunes Store offerings is movie selection. While Apple’s offerings are steadily increasing, they still are a tiny fraction of what’s available via NetFlix.