I previously mentioned that a few old faces would be returning to Doctor Who in David Tennant's last hurrah for the series. Well, now there is one more old face to add to that list, as well as one or two new faces that are somewhat familiar to those that watch other Brit television programs.

Spoilers after the jump...

(S04E12) Russell T. Davies seems to include everyone and the kitchen sink in this episode. Appearing in the parent program are Captain Jack, Ianto and Gwen from Torchwood and Sarah Jane and Luke Smith from The Sarah Jane Adventures. Also making appearances are Martha Jones, Martha's mother Francine, Harriet Jones (former Prime Minister...yes, we know who you are), and British celebrities Richard Dawkins (real-life husband of former Doctor Who companion Lalla Ward) and Paul O'Grady as themselves. Oh, and Rose is back.

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(S04E11) With this episode, Donna has become my favorite Doctor Who companion of all time. Yes, better than Sarah Jane. Yes, better than Rose (who finally reappears as a person and not in a cameo or on a video screen). I love her quick temper yet human personality (it's reminiscent of Rose's mother from the first two seasons), which makes sense since this episode is about the Doctor's adventures from the human perspective.

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(S04E04) The Ood return.The race was seen two years ago in the two-parter "The Impossible Planet" and "The Satan Pit" as a servant race. In this episode, we learn exactly why they're so good at being servile. Here's a hint: it's not by choice.

Arriving on the planet known as the Ood-Sphere in the year 4126, the Doctor and Donna find the planet's Ood-production factory which prepares them for shipping throughout the three human-occupied galaxies.

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In the No Duh News category, Sci Fi Channel has reported that they've acquired the fourth series (or season) of Doctor Who for air beginning in April. What's great additional news is that they've also picked up The Sarah Jane Adventures as well. The latter series focuses on Elisabeth Sladen's Sarah Jane, one of the most popular and famous "companions" in Who History, as she battles to keep Britain and the world save from alien encounters and invasions.

Sarah Jane is aided by a small group of children in her quest. And while the series has a lower budget than Who and is geared more towards a children's audience, I still found it to be tremendously fun. And any opportunity to see K-9 is worth it in my book!