Anime/R

Ra

 * Radiant: Queen Boudica and Yggdrajill are relative giantesses in the series.
 * Ragnastrike Angels: There were 12 mini-episodes promoting the mobile game Ragnastrike Angels which involves standard giantesses.
 * Ranking of Kings: Sheena is a member of the giant race.

Re

 * Red Riding Hood Chacha: A generic Mahou Shoujo anime/manga where the Red Riding Hood is the protagonist.

Ri

 * Rio: Rainbow Gate! Special - EP1: An extra episode of Rio: Rainbow Gate! which was bundled with the seventh volume of the Blu-ray and the DVD. There are two GTS scenes: one is about Linda being a perfect giantess, and the other one is about Rio Rollins Tachibana being a para-giantess interacting with two shrunken heads Linda (like if they were dices).

Ro

 * Ro-Kyu-Bu! - EP03: Before starting the basketball competition, the coach tells Airi Kashii to take the position because she is "small", but in reality is placing her in the position also known as "Big Man", she imagines herself as GTS, feeling later embarrassment because of her height (she is very tall for her age).