Who is America? airs Sunday nights on Showtime in the US and follows on Monday nights in the UK through Channel 4.
Presumably, he conducted way more interviews than will actually feature in Who is America?, some being more successful than others and therefore prioritised/deprioritised.
Four episodes have aired at the time of time writing and three remain, with no sign of Sarah Palin yet, who previously admitted she had been fooled by Baron Cohen.
He added that Baron Cohen “is always refining” the show and “has a very high bar”.