Wansapanataym (Filipinization of the English phrase "once upon a time"), also known as Wansapanataym Presents, is a Philippine television drama fantasy anthology series broadcast by ABS-CBN. It aired from June 22, 1997 to February 27, 2005, replacing The Sharon Cuneta Show. The show returned on the network's Yes Weekend! from September 11, 2010, to April 7, 2019, replacing Agimat: Ang Mga Alamat ni Ramon Revilla and was replaced by Hiwaga ng Kambat. The series was also aired on ABS-CBN's Yes Weekend! primetime block with new episodes and remakes of past episodes. However, because of the COVID-19 pandemic in the Philippines, Wansapanataym returned on air every weekend from March 29 to May 3, 2020, replacing 24/7 and Home Sweetie Home and was replaced by Paano Kita Mapasasalamatan? and Iba 'Yan on Kapamilya Channel's weekend evening slot.

The series follows the stories of everyday people as they encounter fantastic events involving magic and the supernatural and how their lives are forever changed by their adventures with the otherworldly. Like the children's television series Hiraya Manawari, the series also focus on providing values education for kids and teens through courage, discipline, honesty, humility, love, obedience, respect and other moral values, adapted from Filipino stories and legends or original stories.

Wansapanataym is the longest-running fantasy anthology series on Philippine television, reaching its 19th year in 2019. The creators dubbed the series as "the original storybook of Filipino children". As the series progressed, most episodes have spanned a variety of genres and subgenres including romantic comedy, action-adventure, horror, and science fiction, while also keeping the fantasy genre.