Welcome to the THEMIS data products site!
The most current release of L0, L1, and L2 data products from the THEMIS probes can be found here:

THEMIS-A
THEMIS-B
THEMIS-C
THEMIS-D
THEMIS-E
FLATSAT (satellite simulator data)

THEMIS ground station data (ground magnetometers, all-sky imagers and keograms) is here:

Ground station data

Reprocessed QA files for probe and/or ground data:

QA/test data