Continuing the refreshing and incredibly effective turn the series took in Curse of Chucky, Cult is another example of a sequel that surpasses it's originating film while still striving to tie loose ends and address all former plots in a fun and innovative fashion. Fiona Dourif as Nica has proven to be a blessing to the series and a newly minted horror icon in her own right. Doing her daddy proud.
If, however, you prefer your Chucky to be the relentless slasher of old then stick to the first three. The series has gone places that have garnered it new fans but also repelled some of the original admirers. I, for one, find more substance in these latter entries than I ever did before.