Western animation/W

Wa

 * Wakfu - SE1-EP20: During Evangelyne's hallucinations, she sees Amalia Sheran Sharm as a relative giantess. Additionally, there are a couple of interesting POVs in this episode (you can see them in the preview image).
 * Wallykazam: Gina Giant is a notable character in the show, who is a giant girl.
 * Walter Lantz's Cartune Classics - Adventures of Tom Thumb Jr: Animation from 1940. One of the one-shot shorts (without recurring characters) produced for the study of Walter Lantz, creator of Woody Woodpecker, made an adaptation of Tom Thumb with a character who is a small adventurer, who meets an old woman (para-giantess), is seeing it, believes that it is a baby by its appearance and takes care of it.

Wh

 * What If...? - SE1-EP5:

Wi

 * Wild Kratts: During certain episodes, the Wild Kratts are seen miniaturized, sometimes seen with Aviva or Koki.
 * W.I.T.C.H.:

Wo

 * WordGirl: Eileen started off as a minor antagonist until she started appearing more often.
 * World of Quest: It appears to be a parody of the fantasy genre that blends swords, sorcery and technology, in the vein of Masters of the Universe (He-Man).