In the episode, Hiro and Ando arrive in Las Vegas, while Claire's father sets his sights on Matt.
According to Nielsen Media Research, the episode was seen by an estimated 12.96 million household viewers and gained a 4.6 ratings share among adults aged 18–49.
He asks for an advance to buy heroin, which he believes will enable him to stop a nuclear explosion that will destroy New York City.
As Isaac exits his drug-induced trance, he sees he painted an incomplete picture depicting Claire fleeing from a shadowy figure.
[4] This was a slight decrease in viewership from the previous episode, which was watched by an estimated 13.34 million household viewers with a 4.7 in the 18–49 demographics.
Robert Canning of IGN gave the episode a "good" 7.8 out of 10 and wrote, "as exciting as the ending was, the 55 minutes leading up to it were hit and miss.
The hour opened with Matt Parkman strapped to a bed, surrounded by monitoring equipment, having a conversation with The Man in Glasses.
"[6] Alan Sepinwall wrote, "Well, after three weeks of moving the plot incrementally before unleashing a great cliffhanger, Heroes gives us an entire hour of story - or, close to it, since Marian needed the defibrillator paddles to rouse me after the Peter and Simone scene.
We get a closer look at Claire's dad and his eeeeevil sidekick, witness Niki's mirror personality in action for the first time, get a more concrete description of what Peter's ability is, and put more characters in rooms together.
The Peter/Mohinder two-in-one team-up was especially good, because Mohinder's skepticism lent a comic note to the show's mopiest character.
All that, and a Rain Man homage and the appearance of a staff-wielding, soul patch-sporting, fluent English-speaking Future Hiro as an even better cliffhanger than Claire's autopsy last week.
"[7] Angel Cohn of TV Guide wrote, "Hiro was sweet and seemingly innocent of why he got punched in the face.
And even when stopping time to cheat the roulette wheel, he takes a moment to upright a spilling drink on a cocktail waitress's tray.