The Flash may be too hot to handle, but Wentworth Miller's addition to the show is too cold to hold.  The special guest star turned in a great performance as the episode's villain, and without giving too much away, I think it's safe to say that we'll be seeing him again in the future.  Things continue to heat up for the title speedster outside of his life as a crimefighter when a familiar face shows up and offers a possible chance at romance.  Will there be sparks?  Or will one of them get the cold shoulder?

Hit the jump for The Flash recap to find out.

Barry gets a fun intro in this week's episode as he multitasks between playing ping pong with Cisco, chess with Dr. Wells, and Operation with Caitlin.  (He wins 2 of 3).  Meanwhile, some motor hoods are robbing an armored car with precision timing, but the Flash shows up and takes them down.  Unfortunately, they manage to shoot a guard, who Flash escorts to the hospital instead of running down the thieves.  It turns out that they were after a priceless diamond that was bound for a museum display.

While Barry helps the cops get an ID on the suspects, Iris wants him to help with her new blog about the Streak.  That plan is sidetracked when Felicity Smoak shows up inquiring about Barry, especially since she knows about his new powers.  While Barry's being awkward around the ladies, Leonard Snart is talking to his fellow criminals about his time spent studying cops and their response times, and he's none too happy with his partners losing their cool, so he takes one of them out permanently.  He plans to up his game and go after the Flash.

While Barry shows Felicity around S.T.A.R. Labs (and his cool abilities as The Flash), Wells seems the most starstruck with Ms. Smoak and her potential.  Iris also sees potential in her, potential for Barry's romantic life.  Barry, however, is not convinced.

Meanwhile, Snart is talking with a cutting-edge arms dealer about his super-cold weapons.  Perhaps he shouldn't have let Snart use the tech without at least getting paid in advance since the thief freezes him cold.  Snart next pays a visit to the museum where the huge diamond is on display, while Barry and Felicity share a double date with Iris and Eddie.  Back at S.T.A.R. Labs, however, Cisco gets chewed out by Wells for taking a highly dangerous weapon out of lock-up and leaving it unattended, especially since it can harm the Scarlet Speedster.

While Joe runs down Snart, Eddie and Barry leave their date night and go to join up with him. (Who do we think will get there first?)  Joe nearly gets taken out by a police car sliding on the ice cast by Snart's new gun, and Barry himself takes a direct hit that slows him down.  (Awesome visuals on display here, especially when the freeze blast outruns The Flash and ices an innocent usher right in front of Barry's eyes.)  Barry suffers third-degree frost bite and took a hit to his regenerative powers, but Cisco goes through the emotional rollercoaster as he explains to Barry that he built an absolute zero device in order to keep Barry and his speed under control in case he turned out to be dangerous.  There's some great character work on display with the team as Barry fumes about Cisco's decision to keep the tech the secret from him, thus indirectly costing a life.  Felicity mediates the dissent by telling Barry about how long it took Team Arrow to come together.

Snart (finally) breaks in to steal the diamond while Felicity helps the S.T.A.R. team track him.  Barry's suited up and ready to go after Snart, but he turns off his communication because he's still being a whiner.  The team plans to help him out, but will Barry succumb to the cold first?  In this case, it's his own heroic tendencies he has to deal with as Snart wrecks an entire passenger train full of people in order to cover his own getaway.  The Flash makes quick work of saving the innocents, but gets tagged by Captain Cold in the trainyard.  Too slow.  Cisco, Caitlin, and Felicity show up with an even bigger gun to chase Captain Cold off, but they let him escape with the diamond.

Where did he go, you wonder?  Well, he meets up with an old friend of his and offers the pyromaniac a chance to join him in his new criminal ambitions.  Who is it?  Spoiler: It sure looks to be Mick Rory, aka Heatwave.

Rating: A-

Speeding Bullets:

• 

  Great scene in which Barry IDs one of the suspects by speeding through a book full of mug shots and picking out Leonard Snart.
• Oh hey, Felicity!  How do we feel about their flirtatious encounter?
• Felicity: "Let's just say that my team has a similar setup but with more ... pointy objects."
• Felicity asks some cool questions that I'm sure fans have been asking amongst themselves for years, though I'm not sure that Wells' answer satisfied any of them.
• Pretty good side scene with Joe West and Eddie Thawne awkwardly discussing (or, in fact, not discussing) Iris.  How do we feel about this weird relationship triangle so far?  They're doing a good job of keeping it relevant and it certainly helps to ground the otherwise fantastical nature of the show.
• I'm glad the writers chose to keep Captain Cold's abilities based on technology rather than making him into another meta-human.
• The Flash reminds the kids out there never to take candy from strangers.
• E=MC Hammer
• Museum Security: "You said to call if I saw anything suspicious?  This guy went through the tour twice ... nobody does that."
• Felicity: "I've seen first hand what this life can do to people. It's a lonely path. Don't make it any lonelier than it has to be."
• Cisco: "I figured out a way to stop Captain Cold!" Caitlin: "You've got to stop naming these guys..."
• Captain Cold, sweet parka, bro.
• I was wondering why Cisco would bring an even more powerful cold gun (which Snart could have just taken), but the reveal that it was the lab's vacuum was pretty fantastic.
• Forgive the science pun, but there really wasn't a whole lot of chemistry between Barry and Felicity, was there?  Seems like the characters figure this out for themselves on their shared train ride.
• Barry: "I guess what they say is true, opposites do attract."

The Flash will return to The CW on Tuesday, November 11th.