Extras: Widescreen, 22 episodes, deleted scenes, featurette, bloopers, subtitle options (English, French, Spanish, Portuguese), chapters.

• "Threshold: The Complete Series" (CBS/Paramount, 2005-06, not rated, $56.99, four discs). This short-lived series was canceled in mid-run midrun last year when it failed to perform, also ending with a cliffhanger that isn't resolved. Is a spacecraft in the Atlantic Ocean a forerunner to an alien invasion? A U.S. Navy team of scientists is assembled to find out, led by Carla Gugino, Charles Dutton and Brent Spiner.

Extras: Widescreen, 12 episodes (including four that never aired), deleted scenes, audio commentary (on the pilot), featurettes, optional English subtitles, chapters.

• "Conviction: The Complete Series" (Universal, 2005-06, not rated, $59.98, three discs). This interesting but character- and plot-heavy series from Dick Wolf (the "Law & Orders") is another abbreviated series from last year. The focus is on five young district attorneys, all of them pretty self-involved, and the audience probably never cared enough about the characters' personal lives, which are hardly unique in the soap-opera landscape of modern prime-time TV.

Extras: Widescreen, 13 episodes, character profiles, optional English subtitles, chapters.

• "Blue Thunder: The Complete Series" (Sony, 1984, not rated, $39.95, three discs). Tepid action series based on the "Blue Thunder" movie that starred Roy Scheider, a thriller about a super-helicopter used to fight crime. James Farentino stars here, with Dana Carvey as his sidekick — providing comic relief before Carvey found fame on "Saturday Night Live."

Extras: Full frame, 11 episodes, optional English subtitles, chapters.

• "Arthur's Missing Pal" (Lionsgate, 2006, not rated, $19.98). PBS animation star Arthur gets his first feature-length show, as he and his friends try to find his missing dog. Also the first "Arthur" cartoon to be digitally animated.

Extras: Widescreen, interactive games, storyboards, language options (English, Spanish), optional English subtitles, chapters.

• "Strawberry Shortcake Berry Fairy Tales" (Fox, 2006, not rated, $14.98). This animated film for the small fry has two episodes, "When the Berry Fairy Came to Stay" and "The Legend of Sherry Bobbleberry," gentle tales of the title character's adventures with two different fairies.

Extras: Full frame, two episodes, music video, trailers, subtitle options (English, Spanish), chapters.

• "Tot-a-Doodle-Do! School" (Children's Creative Programming, 2006, not rated, $14.95). Children learn how to behave in school, hear from a kindergartenkindergaten teacher and sing and dance to songs and more on this 30-second disc. For ages 3-7.

Extras: Full frame, chapters.

• "Sesame Street: Elmo's Potty Time" (Sesame Street, 2006, not rated, $12.98). The little red furry guy helps kids — and parents — with the dreaded childhood ritual of potty training.

Extras: Full frame, interactive storybook, downloadable certificate, parents guide, optional English subtitles, chapters.

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E-mail: hicks@desnews.com