Sleepers (S01E36)
S01E36
While on a mission in a remote area of Robotropolis, the Hedgehogs receive alarming news about the disappearance of several freedom fighters who are on the verge of being roboticized. Sonic speeds off to rescue his friends, but unfortunately, he arrives too late. He finds that the entire group of freedom fighters has already been roboticized, and among them is Cyrus' father.
Show
Sonic Underground
Episode
S01E36
Air Date
Oct 18, 1999
Season 1 Episodes
S01E01
Beginnings (Origins, Part 1)
S01E02
To Catch a Queen
S01E03
Mobodoon
S01E04
The Price of Freedom
S01E05
Underground Masquerade
S01E06
Tangled Webs
S01E07
The Deepest Fear
S01E08
Who Do You Think You Are
S01E09
The Last Resort
S01E10
Come Out Wherever You Are
S01E11
Winner Fakes All
S01E12
A Hedgehog's Home Is Her Castle
S01E13
Artifact
S01E14
Bug!
S01E15
Sonic Tonic
S01E16
Friend or Foe?
S01E17
Head Games
S01E18
When in Rome...
S01E19
The Jewel of the Crown
S01E20
Three Hedgehogs and a Baby
S01E21
Dunes Day
S01E22
Mummy Dearest
S01E23
Hedgehog in the Iron Mask
S01E24
Six Is a Crowd
S01E25
Flying Fortress (Chaos Emerald Crisis, Part 1)
S01E26
Wedding Bell Blues
S01E27
No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2)
S01E28
Getting to Know You (Origins, Part 2)
S01E29
New Echidna in Town (Chaos Emerald Crisis, Part 3)
S01E30
Harmony or Something (Origins, Part 3)
S01E31
Country Crisis
S01E32
Haircraft in Space
S01E33
Healer
S01E34
Sonia's Choice
S01E35
The Big Melt
S01E36
Sleepers
S01E37
Bartleby the Prisoner
S01E38
The Art of Destruction
S01E39
The Pendant
S01E40
Virtual Danger