Clip from Channel One, so mediocre and unloved (8)

I believe the answer is:

lonesome

I'm a little stuck... Click here to teach me more about this clue!

'unloved' is the definition.
Both the definition and answer are adjectives. Perhaps there's a link between them I don't understand?

'clip from channel one so mediocre' is the wordplay.
'LONESOME' is hidden in amongst the letters.
But, I'm not sure how this is indicated.

'and' acts as a link.

Can you help me to learn more?

(Other definitions for lonesome that I've seen before include "Dejected by lack of companions" , "Loosen me, being solitary" , "Solitary (chiefly US)" , "Are you -- tonight (Elvis)" , "Sad and lonely" .)

I've seen this clue in the Sydney Morning Herald.

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