: 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".

Are you interested in how this episode compares to the , or Black Butler: Book of Circus Episode 1 Review - DeviantArt

: Like early episodes of the original series, the guest is revealed to have ulterior motives against Ciel, only to be effortlessly neutralized by Sebastian.

: 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.

: Reviewers at ViscountXela highlighted the beautiful contrast between a butler’s morning and a demon’s night, which captures the core of their contract.