Remember the Beanie Babies collecting craze [1] that completely took over the late '90s? Well, HBO Max is coming out with a new documentary titled Beanie Mania that chronicles the nostalgia of the small, stuffed toys [2] that people went crazy over. The logline for the upcoming doc [3] describes it as a "layered and riveting look at how a children's toy spawned an unprecedented investment bubble and a frenzy of American greed." Beanie Mania will feature a slew of interviews from "passionate collectors, notable influencers, and company insiders" to share their insights on the toy fandom [4]. The documentary debuts on HBO Max on Thursday, Dec. 23. Watch the trailer for Beanie Mania above.