The Flash (2014): Season 9, Episode 8

9 - 8: Partners in Time

A seemingly simple mold inspection at S.T.A.R. Labs leads to unexpected time anomalies. Barry and Iris try to make sense of the confusion – and figure out how to get back to their reality. Chester admits a secret to Allegra which makes things awkward between the two, and Allegra relies on Cecile to act as a buffer. Meanwhile, Khione meets with an old friend of Team Flash.