When does Toonami Pre-Flight return?

Toonami is an American late-night television programming block that broadcasts Japanese anime and American action animation. The name is a portmanteau of the words "cartoon" and "tsunami" It currently airs every Saturday night from 12:00 a.m. to 3:30a. ET/PT. The block was originally a spin off of Space Ghost Coast to Coast and aired weekday afternoons.