Mac's avatar, even though obviously younger, is a really realistic one. Mac is very recognizable in it, both in the facial expression, the clothing and the body language.
This is the second time this season that the lab is vulnerable to an outside attack. The lab's computers have been invaded by virus or outside programs both in this episode and in 4x03 You Only Die Once.
Adam is a Second Life resident.
In the show, a flying chase scene is performed with a hoverboard and jetpack. In the real Second Life, while this is definitely possible, such chases are pointless as a fleeing individual can always teleport elsewhere or simply disconnect.
Goof: In the show, an avatar's head is cut off during an arena match. In the real Second Life, this can be engineered as a visual effect with sophisticated modelling and the co-operation of the other avatar, but it cannot be done by default nor with any combat system currently available.
This episode was unique because it combined both live actors and virtual avatars from the online world Second Life.
Goof: In this episode, newly created avatars are very quickly outfitted with custom appearances and skins before entering a welcome area. In the real Second Life, the starting inventory is not generally sophisticated enough to reproduce Mac's avatar, and many avatar details would need to be created, uploaded, or purchased from other sources in-world.
Stella: (To Mac) Still not sleeping, huh?
Flack: (To Mac after knowing that Peyton broke up with him) Did you know it was coming?
Adam: Uh, dude, uh, I, I, I, I mean, sorry, boss. Uh, with all due respect? You don't stand a chance.
Mac: And you do.
Adam: I got skills. I think so.
Mac: All right, Adam. You lose, we lose the only solid lead we have.
Adam: Boss, if you go in-world looking like Joe Boring you're gonna get flagged as a newbie. Let me get in here real quick. Check this out. Hip do, a little custom skin. Cool coat. All right. Check it out. Now you're ready to roll in-world.
Mac: Second Life?
Adam:It's a metaverse, an online social network inside a virtual world. First Lifers, guys like us, we log on, create 3-D virtual characters. Cruise simulated worlds, make friends, start businesses.
Adam: It's fun?
Danny: (Skeptical) It's fun.
Mac: Where'd you get this?
Adam: Google Images.
Mac: The Internet?
(Mac's cell phone rings)
Hawkes: You gonna answer that, Mac?
(Zoom into Mac's watch reads 3:33)
Hawkes: It's early. Probably important.
(Mac turns off his phone)
Flack: He was dancing.
Mac: By himself?
Flack: Not exactly. Turns out Mr. Romano's wife died five years ago. So every year on their wedding anniversary, he grabs a mannequin and does a little tango.
Adam: Double click on that template. Now, male or female?
(Mac just looks at him, eyebrows raised)
Adam: This is fantasy, be all you can be!
Stella: (Looking at Mac's female avatar) Wow. Who's the tacky dresser?
Mac: That's me.
Stella: I could use some good news.
Lindsay: Only 61 days until Christmas.
Adam: (while fighting warriors in Second Life) Who's your daddy?
Stella: You have no game whatsoever.
Mac: Look, I don't need a backseat avatar.
Jonno Roberts, who plays Samson Rowe, also appears in the CSI: Miami episode About Face.
Spanish episode title: Descenso por la Madriguera, meaning Down the Warren.
French episode title: Enquête Virtuelle, meaning Virtual Investigation.
This episode will find its conclusion in 4x15 DOA For A Day.
While the number of Second Life simulators purchased by CBS is not exactly known it is theorized to be nearly one million US dollars. This would also support the theory of there being more CSI episodes in the future involving Second Life.
International Air Dates:
Norway: January 16, 2008 on TVNorge.
United Kingdom: February 9, 2008 on Channel 5.
Sweden: February 18, 2008 on Kanal 5.
Denmark: March 3, 2008 on Kanal 5.
Turkey: March 31, 2008 on CNBC-e.
Spain: April 1, 2008 on AXN Spain.
The Netherlands: April 2, 2008 on RTL4.
New Zealand: May 20, 2008 on TV 3.
Australia: June 9, 2008 on Network 9.
Slovenia: September 25, 2008 on POP TV.
Germany: September 29, 2008 on VOX.
Finland: April 15, 2009 on MTV3.
Slovakia: July 16, 2009 on JOJ.
Music featured in this episode:
Mambo Italiano by Gino Federici.
Por Una Cabeza by The Tango Project.
Hyperpower! by Nine Inch Nails.
Exit by Stateless.
Starting with this episode viewers will help solve the crime with Second Life, by joining
Mirrors, glass and screens are usually regarded as portals to other worlds. Second Life, the episode title and two side mirrors in this episode are allusions to Alice's Adventures in Wonderland and Through the Looking Glass.
Sid: Cosmo. My dentist subscribes.
Cosmopolitan is a women magazine, usually referred to as Cosmo.
Danny describes the Second Life romance as looking for Mr. Goodbyte.
Mr. Goodbye is a 2006 drama tv series.
Also, Looking for Mr. Goodbar is a 1977 movie starred by Diane Keaton, in which a young woman cruises bars looking for the perfect man.
Mac: Adam, I don't have time for this. I need to find Johnny O'Dell's avatar, Don Juan-2-3.
Don Juan is a fictional libertine that appear in many fictional novels and plays.
Adam: Google Images.
Google is an internet site that provides internet search, e-mail, online mapping and video sharing services among others.
Adam: Be all you can be, right?
Be all you can be used to be a recruiting slogan for the United States Army.
This same line is alluded to in Season 2 Episode 6 Youngblood by Flack.
Episode title: Down the rabbit hole.
The title is a reference to Lewis Carroll's Alice through the looking glass, where the white rabbit goes through the rabbit hole and Alice follows.
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