S04E10: His Butler, Assenting
The truth behind the disappearances of Derrick Arden and the others comes to light. What's more, Ciel discovers that a former Phantomhive ally has been involved all along.
Previous Episode 
Season 1
His Butler, Able
S1E1 / 02 Oct 2008
His Butler, Strongest
S1E2 / 09 Oct 2008
His Butler, Omnipotent
S1E3 / 16 Oct 2008
His Butler, Capricious
S1E4 / 23 Oct 2008
His Butler, Chance Encounter
S1E5 / 30 Oct 2008
His Butler, at the Funeral
S1E6 / 06 Nov 2008
His Butler, Merrymaking
S1E7 / 13 Nov 2008
His Butler, Training
S1E8 / 20 Nov 2008
His Butler, Phantom Image
S1E9 / 27 Nov 2008
His Butler, on Ice
S1E10 / 04 Dec 2008
His Butler, However You Please
S1E11 / 11 Dec 2008
His Butler, Forlorn
S1E12 / 18 Dec 2008
His Butler, Freeloader
S1E13 / 25 Dec 2008
His Butler, Supremely Talented
S1E14 / 15 Jan 2009
His Butler, Competing
S1E15 / 22 Jan 2009
His Butler, in an Isolated Castle
S1E16 / 29 Jan 2009
His Butler, Offering
S1E17 / 05 Feb 2009
His Butler, Transmitted
S1E18 / 13 Feb 2009
His Butler, Imprisoned
S1E19 / 20 Feb 2009
His Butler, Escaping
S1E20 / 27 Feb 2009
His Butler, Engaging Servants
S1E21 / 06 Mar 2009
His Butler, Dissolution
S1E22 / 13 Mar 2009
His Butler, Up in Flames
S1E23 / 20 Mar 2009
His Butler, Fluent
S1E24 / 27 Mar 2009
Season 2
Clawed Butler
S2E1 / 02 Jul 2010
Solo Butler
S2E2 / 09 Jul 2010
Wench Butler
S2E3 / 16 Jul 2010
Terrorist Butler
S2E4 / 23 Jul 2010
Beacon Butler
S2E5 / 30 Jul 2010
Bedewed Butler
S2E6 / 06 Aug 2010
Deathly Butler
S2E7 / 13 Aug 2010
Divulging Butler
S2E8 / 20 Aug 2010
Hollow Butler
S2E9 / 27 Aug 2010
Zero Butler
S2E10 / 03 Sep 2010
Crossroads Butler
S2E11 / 10 Sep 2010
Black Butler
S2E12 / 17 Sep 2010
Season 3
His Butler, Presenting
S3E1 / 11 Jul 2014
His Butler, Taking the Stage
S3E2 / 18 Jul 2014
His Butler, Hired
S3E3 / 25 Jul 2014
His Butler, Colleague
S3E4 / 01 Aug 2014
His Butler, Taking Flight
S3E5 / 08 Aug 2014
His Butler, Liaison
S3E6 / 15 Aug 2014
His Butler, Careful Tending
S3E7 / 22 Aug 2014
His Butler, Sneering
S3E8 / 29 Aug 2014
His Butler, Serene
S3E9 / 05 Sep 2014
His Butler, Fulfilling His Duty
S3E10 / 12 Sep 2014
Season 4
His Butler, at School
S4E1 / 13 Apr 2024
His Butler, In Disguise
S4E2 / 20 Apr 2024
His Butler, Plotting
S4E3 / 27 Apr 2024
His Butler, Colluding
S4E4 / 04 May 2024
His Butler, Gaining Admittance
S4E5 / 11 May 2024
His Butler, Scheming
S4E6 / 18 May 2024
His Butler, Final Match
S4E7 / 25 May 2024
His Butler, Locking Up
S4E8 / 01 Jun 2024
His Butler, Having a Laugh
S4E9 / 08 Jun 2024
His Butler, Assenting
S4E10 / 15 Jun 2024
His Butler, Taking Off
S4E11 / 22 Jun 2024
Season 5
His Butler, Doing Fieldwork
S5E1 / 05 Apr 2025
His Butler, Sounding the Alarm
S5E2 / 12 Apr 2025
His Butler, On Loan
S5E3 / 19 Apr 2025
His Butler, Serving
S5E4 / 26 Apr 2025
His Butler, Descending
S5E5 / 03 May 2025
His Butler, Despairing
S5E6 / 10 May 2025
His Butler, Encouraging
S5E7 / 17 May 2025
His Butler, Furious
S5E8 / 24 May 2025
His Butler, Crossing Paths
S5E9 / 31 May 2025
His Butler, Mopping Up
S5E10 / 07 Jun 2025
His Butler, Much Unknown
S5E11 / 14 Jun 2025
His Butler, Calling
S5E12 / 21 Jun 2025
His Butler, Submerged
S5E13 / 28 Jun 2025
Daisuke Ono
Sebastian Michaelis (voice)
