When does Animaniacs return?

Animaniacs is a variety show, with short skits featuring a large cast of characters. It is the second animated series produced by Steven Spielberg's Amblin Entertainment in association with Warner Bros. Animation, after Tiny Toon Adventures. The show had no set format, the majority of episodes were composed of three short mini-episodes, each starring a different set of characters, and bridging segments. Hallmarks of the series included its musical routines, satirical social commentary, meta humor, pop culture references, character catchphrases and innuendo directed at an adult audience.
Animaniacs had a large cast of characters, separated into individual segments, with each pair or set of characters acting in its own plot. The Warner siblings, Yakko, Wakko, and Dot, are three 1930s cartoon stars of an unknown species. Pinky and the Brain are two genetically altered anthropomorphic laboratory mice who continuously plot and attempt to take over the world. Slappy Squirrel is an octogenarian anthropomorphic cartoon star who can easily outwit antagonists.