Historical clue formulations

• Show from which "Pinky and the Brain" was spun off — 2023-03-09
• 1990s cartoon series featuring Yakko, Wakko and Dot — 2022-02-28
• Warner Bros. cartoon series presented by Steven Spielberg — 2018-11-23
• Warner Bros. cartoon series of the 1990s — 2018-03-10
• 1990s TV cartoon produced by Steven Spielberg — 2015-03-14