The Mad Hatter is the 26th animated cartoon short subject in the Woody Woodpecker series. Released theatrically on February 16, 1948, the film was produced by Walter Lantz Productions and distributed by United Artists.
- The Mad Hatter was the first Woody Woodpecker short distributed by United Artists. Walter Lantz was not fond of his arrangement with the distributor, and went back to Universal when production resumed in 1951.
- This cartoon also featured a changed version of the 1944 opening title; Woody now pops from a tree instead of a log. The re-orchestration of the 1944 theme has the first bars speeded up.
- Also, Woody's blue feathers are now a much brighter color.