Underground Ernie
Season 1, Episode 21: Elementary, My Dear Bakerloo!
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All Episodes - Season 1
Episode 1
Pop Decoy
Episode 2
Sir Clunkalot
Episode 3
Mr Rails Never Fails
Episode 4
Brooklyn and Rocky Two Shoes
Episode 5
Pulling Together
Episode 6
Elementary, My Dear Bakerloo
Episode 7
Brooklyn and Rocky Two-Shoes
Episode 8
Finders Keepers
Episode 9
The Magician's Assistant
Episode 10
Cover Story
Episode 11
Millie's Day Dream
Episode 12
Mr Movie Jones
Episode 13
Summer Breeze
Episode 15
Light at the End of the Tunnel
Episode 16
The Wreck of Sea Shell Bay
Episode 17
Catnapped
Episode 18
Monster Mystery
Episode 19
Bon Appetite
Episode 21
Elementary, My Dear Bakerloo!
Episode 22
The Magic Lamp
Episode 23
How Great The Art
Episode 24
The Mayor's Visit
Episode 25
Techno Trouble
Episode 26
Snow Go