Doctor left enthralled by attempt to reach the other side show (9)

I believe the answer is:

semblance

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'the other side show' is the definition.
'semblance' can be an answer for 'show' (thesaurus). I'm not sure about the 'the other side' bit.

'doctor left enthralled by attempt' is the wordplay.
'doctor' becomes 'MB' (Bachelor of Medicine, Medicinae Baccalaureus).
'left' becomes 'l' (common abbreviation).
'enthralled' means one lot of letters goes inside another.
'by attempt' becomes 'seance' (I can't explain this - if you can you should give a lot more credence to this answer).
'mb'+'l'='mbl'
'mbl' going within 'seance' is 'SEMBLANCE'.

'to reach' is the link.

Can you help me to learn more?

(Other definitions for semblance that I've seen before include "Outward appearance," , "Apparent form" , "Air" , "Outward show" , "Guise" .)

I've seen this clue in The Independent.

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