"This is Cyrron. One of six planets in the Mygar Federation. There was a prison break. 218 of the most violent criminals have disappeared into the city of Chicago. Finding them won't be easy - they're not human. Luckily for Earth, neither am I." 218 alien prisoners have escaped from their captivity from a prison in the Migar system. Their warden and guard, an alien named Daggun, followed them to Earth. While they occupied the bodies of humans, their pursuer was forced to create his body based on a model on an advertising billboard. Taking his name from the brand on the billboard, "Cole" was picked up by bar owner Mel, who took pity on him. Unlike the other aliens, since "Cole" didn't have a human body, he has no knowledge or memory of Earth, and is forced to learn everything from scratch. Despite these obstacles, and with Mel's help, Cole must locate and pursue the escaped prisoners, led by Dr. Zin, and drain the alien life forces from their human bodies and imprison the energy until he can return them back to Migar.
Most commuter rail-lines sell monthly discount passes to their riders. And most regular commuters take advantage of this, usually paying for them by personal check or credit card. Some judicious hacking into the rail-line's database would've yielded these names and probably their addresses because many of these passes are purchased by mail. At least it would have the addresses recorded from records of the checks and credit cards. Further hacking into the banks and credit card issuers for additional info (plus with cross-referencing to maps), and then hacking into the photo files of the DMV, would've likely yielded the appearance of at least half the people on that train — PLUS it would've given Cole a starting-point to begin searching from the last-known addresses for them all ...
Cole used his energies to short-circuit the electric current of the fence around the hanger. This should have immediately set off alarms!
The real Area 51 (if there is such a thing!) would have motion sensors and hidden cameras all around the base. Neither Raahm or Cole should have been able to get beyond the perimeter without detection.
Rod/Cole was driving Mel's car like an old pro when not long ago he could barely steer...those driving lessons have really paid off! (editor's note: well, he is supposed to be a fast learner...)
Why does the Fed working for Sylvestri have to wait until after Cole-as-Rod shows himself to figure out where Rod is staying?
Writer Tracey Forbes seems to have trouble with the concept of a "witness protection program" in this episode. The Feds wouldn't leave such a valuable witness so close to the person he was intended to testify against. Nor would they let such a witness have what appears to be a fairly public marriage ceremony. Also, why don't the Feds more clearly fake Rod's death, instead of leaving it a mystery? Since Sylvestri himself killed Rod's partner, and knows he didn't kill Rod, why would Sylvestri think Rod was dead and thus no longer a threat to him?
How does Cole manage to exactly duplicate Rod's voice, build, and body height, only working from a shoulder-head shot of him in the picture? Alien magic, I guess...
It's not quite clear why Cole doesn't use hypertime and avoid capture the first time. Presumably he went into the base without enough of a "charge" to do so, but this isn't made very clear.