Premiered 1 January 2011. When one of their number disappears on the same day that an American girl joins their ranks, a group of English boarding school students embarks on solving a mystery.

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Season 6

6	House of TradesHouse of Magic
5	House of ZodiacsHouse of Reckoning
4	House of ReflectionsHouse of Stooges
3	House of OblivionHouse of Snoops
2	House of HeistsHouse of Alibis

Season 5

15	House of SilenceHouse of Warnings
14	House of SorryHouse of Hex
13	House of AccusationsHouse of Hasty
12	House of EvidenceHouse of Genius
11	House of EnvyHouse of Names
10	House of Double CrossHouse of Wires
9	House of HacksHouse of Stings
8	House of FrontsHouse of Keepers
7	House of Dead EndsHouse of Webs
6	House of BarriersHouse of Curfews
5	House of HelpHouse of Phobias
4	House of PendulumsHouse of Impasse
3	House of SibunaHouse of Payback
2	House of HoodsHouse of Deceit
1	House of PressureHouse of Deja Vu

Season 3

41	The Touchstone of Ra	17 June 2013
40	House of Heroes	11 April 2013
39	House of Ammut	10 April 2013
38	House of Defeat	9 April 2013
37	House of Hog	10 April 2013
36	House of Heartbreak	4 April 2013
35	House of Capture	3 April 2013
34	House of Suspicion	2 April 2013
32	House of Imposters	28 March 2013
31	House of Treachery	27 March 2013
30	House of Moonlighting	26 March 2013
29	House of Winning	25 March 2013
28	House of Surprise	21 March 2013
27	House of History	20 March 2013
26	House of Rainbows	19 March 2013
25	House of Deceptions	18 March 2013
24	House of Greed	14 March 2013
20	House of Captures	7 March 2013
19	House of Signals	6 March 2013
18	House of Set-Up	5 March 2013
17	House of Hustle	4 March 2013
16	House of Close Calls	28 February 2013
14	House of Smuggling	21 February 2013
13	House of Tombs	21 February 2013
10	House of Unity	31 January 2013
9	House of Trickery	31 January 2013
8	House of Mistrust	24 January 2013
7	House of Pi	24 January 2013
6	House of Questions	17 January 2013
5	House of Revelations	17 January 2013
4	House of Hieroglyphs	10 January 2013
3	House of Truth	10 January 2013
2	House of Presents	3 January 2013
1	House of Arrivals	3 January 2013

Season 2

112	House of Dreams/House of Pitfalls	Mar. 2, 2012
111	House of Reflectors/House of Illusions	Mar. 1, 2012
90	House of Freedom	9 March 2012
89	House of The Chosen	9 March 2012
88	House of Captives	9 March 2012
87	House of Missions	9 March 2012
86	House of Stakes	8 March 2012
85	House of Traps	8 March 2012
84	House of Trouble	7 March 2012
83	House of Pretenders	7 March 2012
82	House of Memory	6 March 2012
81	House of Strategy	6 March 2012
80	House of Surrender	5 March 2012
79	House of Phantoms	5 March 2012
78	House of Zodiacs/House of Reckoning	Feb. 17, 2012
77	House of Reflections/House of Stooges	Feb. 16, 2012
74	House of Timeout	29 February 2012
73	House of Freeze	29 February 2012
72	House of Hijack	28 February 2012
71	House of Forgeries	28 February 2012
70	House of Nine Lives	27 February 2012
69	House of Sabotage	27 February 2012
61	House of Silence/House of Klaxons	Feb. 10, 2012
60	House of Sorry/House of Hex	Feb. 9, 2012
45	House of the Chosen/House of Freedom	Mar. 9, 2012
44	House of Missions/House of Captives	Mar. 8, 2012
43	House of Traps/House of Stakes	Mar. 7, 2012
42	House of Pretenders/House of Trouble	Mar. 6, 2012
41	House of Strategy/House of Memory	Mar. 5, 2012
40	House of Phantoms/House of Surrender	Mar. 5, 2012
39	House of Dreams/House of Pitfalls	Mar. 2, 2012
38	House of Reflectors/House of Illusions	Mar. 1, 2012
37	House of Freeze/House of Timeout	Feb. 29, 2012
36	House of Forgeries/House of Hijack	Feb. 28, 2012
35	House of Sabotage/House of Nine Lives	Feb. 24, 2012
34	House of Collections/House of Speculation	Feb. 23, 2012
33	House of Duplicity/House of Hauntings	Feb. 23, 2012
32	House of Tricks/House of Whispers	Feb. 22, 2012
31	House of Trades/House of Magic	Feb. 21, 2012
30	House of Zodiacs/House of Reckoning	Feb. 17, 2012
29	House of Reflections/House of Stooges	Feb. 16, 2012
28	House of Oblivion/House of Snoops	Feb. 15, 2012
27	House of Heists/House of Alibis	Feb. 14, 2012
26	House of Status/House of Laments	Feb. 13, 2012
25	House of Silence/House of Warings	Feb. 10, 2012
24	House of Sorry/House of Hex	Feb. 9, 2012
23	House of Slander/House of Hasty	Feb. 8, 2012
22	House of Evidence/House of Genius	Feb. 7, 2012
21	House of Envy/House of Names	Feb. 6, 2012
20	House of Double-Cross/House of Wires	Feb. 3, 2012
19	House of Hacks/House of Stings	Feb. 2, 2012
18	House of Fronts/House of Keepers	Feb. 1, 2012
17	House of Dead-Ends/House of Webs	Jan. 31, 2012
16	House of Isis/House of Curfews	Jan. 30, 2012
15	House of Help/House of Phobias	Jan. 27, 2012
14	House of Pendulums/House of Impasse	Jan. 26, 2012
13	House of Sibuna/House of Payback	Jan. 25, 2012
12	House of Hoods/House of Deceit	Jan. 24, 2012
11	House of Pressure/House of Deja Vu	Jan. 23, 2012
10	House of Crushes/House of Vertigo	Jan. 20, 2012
9	House of Chance/House of Divides	Jan. 19, 2012
8	House of Who?/House of Frauds	Jan. 18, 2012
7	House of Protection/House of Letters	Jan. 17, 2012
6	House of Tunnels/House of Goodbye	Jan. 16, 2012
5	House of Combinations/House of Heartbreak	Jan. 13, 2012
4	House of Myths/House of Nightmares	Jan. 12, 2012
3	House of Rivals/House of Faces	Jan. 11, 2012
2	House of Spirits & House of Blackmail	Jan. 10, 2012
1	House of Hello & House of Dolls	Jan. 9, 2012

Season 1

60	House of Forever	Feb. 19, 2011
59	House of Never	Feb. 19, 2011
58	House of Sting	Feb. 19, 2011
57	House of Spies	Feb. 19, 2011
56	House of Hush	Feb. 19, 2011
55	House of Heavy	Feb. 18, 2011
54	House of Revelation	Feb. 18, 2011
53	House of Betrayal	Feb. 17, 2011
52	House of Pests	Feb. 17, 2011
51	House of Allegiance	Feb. 16, 2011
50	House of Lights	Feb. 16, 2011
49	House of Harsh	Feb. 15, 2011
48	House of Stars	Feb. 15, 2011
47	House of Venom	Feb. 2011
46	House of Bribes	Feb. 14, 2011
45	House of Victory	Feb. 4, 2011
44	House of Yesterday	Feb. 4, 2011
43	House of Pursuit	Feb. 3, 2011
42	House of Masks	Feb. 3, 2011
41	House of Aliens	Feb. 2, 2011
40	House of Time	Feb. 2, 2011
39	House of Hoax	Feb. 1, 2011
38	House of Arrest	Feb. 1, 2011
37	House of Rescue	Jan. 31, 2011
36	House of Rendez Vous	Jan. 31, 2011
35	House of Charades	Jan. 27, 2011
34	House of Hazard	Jan. 27, 2011
33	House of Thieves	Jan. 26, 2011
32	House of Risk	Jan. 26, 2011
31	House of Codes	Jan. 25, 2011
30	House of Drama	Jan. 25, 2011
29	House of Memories	Jan. 24, 2011
28	House of Reunion	Jan. 24, 2011
27	House of Emergency	Jan. 21, 2011
26	House of Identity	Jan. 21, 2011
25	House of Fakers	Jan. 20, 2011
24	House of Scares	Jan. 20, 2011
23	House of Numbers	Jan. 19, 2011
22	House of Cameras	Jan. 19, 2011
21	House of Catnap	Jan. 18, 2011
20	House of Kidnap	Jan. 18, 2011
19	House of Passages	Jan. 14, 2011
18	House of Flames	Jan. 14, 2011
17	House of Alarms	Jan. 13, 2011
16	House of Confrontation	Jan. 13, 2011
15	House of Proof	Jan. 12, 2011
14	House of Intruders	Jan. 12, 2011
13	House of Rumours	Jan. 11, 2011
12	House of Cheats	Jan. 11, 2011
11	House of Hyper	Jan. 10, 2011
10	House of Discovery	Jan. 10, 2011
9	House of Keys	Jan. 2, 2011
8	House of Agendas	Jan. 2, 2011
7	House of Eyes	Jan. 2, 2011
6	House of Locks	Jan. 2, 2011
5	House of Lies	Jan. 1, 2011
4	House of Dares	Jan. 1, 2011
3	House of Blackbird	Jan. 1, 2011
2	House of Attitude	Jan. 1, 2011
1	House of Secrets	Jan. 1, 2011