The alternate Agent Farnsworth grants herself permission to cross over to the prime universe in order to visit Astrid and learn about her past after her father's death.

In the investigation, a former MIT professor uses his talents, along with borrowed technology, to intercede in the lives of those destined for a life of suffering.

With information from Jared and help from the parallel version of Astrid, they recognize their man as a TSA agent at the airport who had cleared all his victims prior.

A colleague there explains that, after spending a period of time at his lake house, Neil became fascinated by a series of high-level equations, ignoring work duties to study them and eventually abandoning his position.

They recognize the tube as belonging to September, apparently lost when he had unsuccessfully tried to save Peter at Reiden Lake in 1985.

The episode received generally positive reviews, with many praising Nicole's performance and the focus on Astrid's character, which was deemed long overdue.

Club gave "Making Angels" a grade of "A-," though he felt it "suffered in comparison" to the season three episode "The Plateau."

He wondered how some of the events mentioned fit into the larger story arc, but found that the episode "offers its own refutation for those who get frustrated trying to figure out what's what.

He was positive toward the character-driven developments of Astrid and Walter, and although the concept of seeing the future had been used recently, he found the case of the week to still be interesting.

[6] Writing for The Los Angeles Times, Andrew Hanson stated that the episode "practically pandered to everything I love this week," but felt that it did not quite work because Astrid and Neil's stories were disconnected although "enthralling."