Supergirl returned for its fourth season last week. Filmmaker Kevin Smith will return to direct his fourth episode for The CW series this season as well. says Smith’s episode will be a big one —In act five of this episode we have a sequence where they spent a lot of money that I’ve never seen in anything before.— —It’s a kind of cool concept that I never thought of.— —Never imagined they’d hand me a script with like ‘make her do this’ and I was like holy sh*t.—