1 Across, More than one studio needed to get such an enterprise rolling? (5,10)
9/12 Across, Berlin takes disturbed kids (5 - 6)
10 Across, TV personality delivers line pat - canned laughter's beginning (9)
14/17 Across, Be in the same social network as wits who burble inanely (3,6,4)
Compiler - MORPH
Many Thanks