Agency:.Produced with the financial participation of Shaw Rocket Fund - Fueling creativity. In collaboration with Télé-Québec. Coproduction by La Pastèque and the National Film Board of Canada.

Director, Iris Boudreau, Francis Papillon ; writer, Iris Boudreau ; illustrator, null Cathon ; animator, Francis Papillon, Louis Roy ; script consultant, Jean-François Provençal, Sarah Lalonde ; sound designer, Pierre Yves Drapeau ; music, Pierre Yves Drapeau ; mixer, Jean Paul Vialard ; technical director, Éric Pouliot, Pierre Plouffe ; associate producer, Solen Labrie Trépanier, Anne-Marie Bousquet, Mylène Augustin ; executive producer, Frédéric Gauthier, Martin Brault, Julie Roy ; producer, Vali Fugulin, Marc Bertrand.

Voice, Angela Galuppo, Cat Lemieux.

Recorded 2019.

Iris believes that every time you turn the lights on or off in a room, it costs 25 cents. Cathon sets her straight, and then explains where the light in lightbulbs comes from.

Mode of access: World Wide Web.

Description based on online resource; title from title screen (National Film Board of Canada, viewed 2023-08-10).