Grand plan to broadcast major feature on Bambi? (3,4)

I believe the answer is:

big idea

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'broadcast major feature on bambi?' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'grand plan' is the wordplay.
'grand' becomes 'big'.
'plan' becomes 'idea' (I've seen this before).
'big'+'idea'='BIG IDEA'

'to' is the link.

Can you help me to learn more?

I've seen this clue in The Independent.

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