The truth behind the mysterious prophecy "he will knock four times" is revealed as the Doctor (David Tennant) and Wilfred Mott (Bernard Cribbins) try and foil the Master's (John Simm) evil plan, resulting in the Doctor's regeneration into his newest incarnation (Matt Smith). Billie Piper, Catherine Tate, Elisabeth Sladen, Brian Cox, and John Barrowman co-star in this exciting two-part saga. 131 min. total on two discs. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English; audio commentary; behind-the-scenes footage.

Five-disc set includes "The Next Doctor," "Planet of the Dead," "The Waters of Mars," and "The End of Time, Part One & Two."

**27 episodes on 11 discs. 20 1/2 hrs.**

All 13 first-season episodes--including "Everything Changes," "Cyberwoman," "Countrycide," "They Keep Killing Suzie," and "End of Days"--are featured in a seven-disc set. 10 3/4 hrs. total. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English; audio commentary; outtakes; deleted scenes; video diary; featurettes. **13 episodes on 7 discs. 10 3/4 hrs.**

All five third-season episodes--the five-part "Children of Earth"--are featured in a two-disc set. 4 3/4 hrs. total. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English (SDH); featurette. **5 episodes on 2 discs. 4 3/4 hrs.**

All 13 second-season episodes--including "Kiss Kiss, Bang Bang," "Sleeper," "Dead Man Walking," "From Out of the Rain," and "Exit Wounds"--are featured in a five-disc set. 10 1/2 hrs. total. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English (SDH); deleted scenes; outtakes; featurettes. **13 episodes on 5 discs. 10 1/2 hrs.**

All 11 episodes from the debut season--including "Invasion of the Bane," and the two-part episodes "Revenge of the Slitheen," "Eye of the Gorgon," "Warriors of Kudlak," "Whatever Happened to Sarah Jane?," and "The Lost Boy"--are featured in a four-disc set. 5 2/3 hrs. total. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; Subtitles: English; interviews; photo gallery. **11 episodes on 4 discs. 5 2/3 hrs.**

All 12 episodes from the second season--the two-parters "The Last Sontaran," "Day of the Clown," "Secrets of the Stars," "The Mark of the Berserker," "The Temptation of Sarah Jane Smith," and "Enemy of the Bane"--are featured in a three-disc set. 5 2/3 hrs. total. Widescreen (Enhanced); Soundtrack: English; Dolby Digital stereo; Subtitles: English (SDH); interviews; photo gallery; game; biographies; TV spots; trailers. **12 episodes on 3 discs. 5 2/3 hrs.**

All six first-season episodes--"Good Luck, Father Ted," "Entertaining Father Stone," "The Passion of St. Tibulus," "Competition Time," "And God Created Woman," and "Grant Unto Him Eternal Rest"--are included. 148 min. total. Standard; Soundtrack: English stereo.

All 10 second-season episodes--"Hell," "Think Fast, Father Ted," "Tentacles of Doom," "The Old Grey Whistle Theft," "Song for Europe," "The Plague," "Rock a Hula Ted," "Cigarettes and Alcohol and Rollerblading," "New Jack City" and "Flight into Terror"--are collected on two discs. 240 min. Standard; Soundtrack: English Dolby Digital stereo; audio commentary; biographies; photo gallery. **10 episodes on 2 discs. 4 hrs.**

All eight third-season episodes--"Are You Right There, Father Ted?," "Chirpy Burpy Cheap Sheep," "Speed 3," "The Mainland," "Escape from Victory," "Kicking Bishop Brennan up the Arse," "Night of the Nearly Dead," and "Going to America"--are collected on two discs. 4 hrs. total. Standard; Soundtrack: English; biographies; interviews; photo gallery.