First Sundays is a seasonal series of free family programs featuring activities for children and teens at various downtown locations: the Museum of Riverside, Mission Inn Museum, The Cheech, Riverside Art Museum, Riverside Public Library, and UCR ARTS.

First Sundays run October 1, 2023 – May 4, 2023 on the first Sundays of those months from 1 to 4 p.m. The program is made possible through the collaborative efforts of all locations involved.

Riverside Art Museum and The Cheech Marin Center for Chicano Art & Culture are free and open to the public.