: Reviewers at ViscountXela highlighted the beautiful contrast between a butler’s morning and a demon’s night, which captures the core of their contract.
: Some reviewers at The Geekiary found the "flying cutlery" and comedic servant mishaps a bit silly for a show about demon contracts, though they admitted it successfully pulled them back into the mystery by the end. Kuroshitsuji: Book of Circus - Episode 1
Are you interested in how this episode compares to the , or Black Butler: Book of Circus Episode 1 Review - DeviantArt : The "Book of Circus" arc truly begins
: Like early episodes of the original series, the guest is revealed to have ulterior motives against Ciel, only to be effortlessly neutralized by Sebastian. Kuroshitsuji: Book of Circus - Episode 1
: The "Book of Circus" arc truly begins in the final minutes when Ciel receives tickets to the Noah's Ark Circus and an order from the Queen to investigate missing children. Reception and Narrative Depth
Critics and fans generally view it as a effective "refresher".