Needle & thread are basics needed to sew all fabrics however, selecting the ones best suited for stretch fabrics will make the project go so much more smoothly.
Choose a sewing machine needle designed for stretch fabrics - these have a ball point. Below are just 2 examples of specialty needles just for working with stretch fabric. Schmetz has a terrific guide explaining the different types of needles & usage: Schmetz Needle Guide.
I am in the process of designing some BJD pattern & will make the first one for a stretch fabric.