Following the TV spot from earlier today, the CW Network has released new photos from the Arrow mid-season finale "Three Ghosts", airing Wednesday, December 11. These photos don't include Grant Gustin as Barry Allen, who made his debut on last night's "The Scientist", but we do get shots of Brother Blood (Kevin Alejandro), Roy Harper (Colton Haynes), Oliver Queen (Stephen Amell) and several other cast members. Check out these photos, then read on for the CW's official press release about "The Scientist" setting a season high ratings mark.

<strong><em>Arrow</em></strong> Three Ghosts Photo 1
<strong><em>Arrow</em></strong> Three Ghosts Photo 2
<strong><em>Arrow</em></strong> Three Ghosts Photo 3
<strong><em>Arrow</em></strong> Three Ghosts Photo 4
<strong><em>Arrow</em></strong> Three Ghosts Photo 5
<strong><em>Arrow</em></strong> Three Ghosts Photo Gallery photo 1
<strong><em>Arrow</em></strong> Three Ghosts Photo Gallery photo 2
<strong><em>Arrow</em></strong> Three Ghosts Photo Gallery photo 3
<strong><em>Arrow</em></strong> Three Ghosts Photo Gallery photo 4
<strong><em>Arrow</em></strong> Three Ghosts Photo Gallery photo 5
<strong><em>Arrow</em></strong> Three Ghosts Photo Gallery photo 6

With Dr. Barry Allen making his first appearance in Starling City, The CW's Arrow last night climbed to its most watched (3.17 million) episode since February (2/27/13), and matched its series highs in both adults 18-34 (1.1/4) and men 18-34 (1.4/5), according to preliminary Live+Same Day Nielsen ratings for Wednesday, Dec. 4, 2013.

Arrow also tied for its second best performance of the season in adults 18-49 (1.1/3) and tied its second best delivery ever in men 18-49 (1.4/5).

Versus its last original episode two weeks ago, Arrow grew +19% in total viewers, +22% in adults 18-34, +10% in adults 18-49, +56% in men 18-34, and +27% in men 18-49.

Arrow ranked #1 in the 8:00-9:00p.m. hour in men 18-34.

Arrow is up versus this same week last year by +10% in adults 18-34, +27% in men 18-34 and +17% in men 18-49.

This season, Arrow sees a +45% increase in Live + 7 Day viewing versus Live + Same Day viewing among total viewers, averaging 4.1 million viewers per episode in L+7. Arrow also sees a +47% gain in adults 18-34, and a +54% increase in adults 18-49 in L+7 versus L+SD.