| Date | Time | Event Name | Type | Genre | Venue | Address | Age | Price | |
|---|---|---|---|---|---|---|---|---|---|
 | SatMar 21 | 5:30 PM | The Avett Brothers | Music | Folk | ONT Field | 9375 E Riverside Dr | All Ages | Free |
 | SatMar 21 | 7:00 PM | Guy Torry | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
 | SunMar 22 | 1:00 PM | Bad Bunny + Karol G Drag Brunch | Music | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
 | SunMar 22 | 6:00 PM | Jackie Fabulous & Adee McCovy | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
 | WedMar 25 | 8:00 PM | Jamal Coleman | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| ThuMar 26 | 8:00 PM | Alex Quiroz and Ivan Mendoza Stand-Up *I... | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
 | FriMar 27 | 7:30 PM | Luenell | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
 | FriMar 27 | 8:00 PM | The R&B Lovers Tour | Music | R&B | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| FriMar 27 | 9:45 PM | Luenell | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| SatMar 28 | 7:00 PM | Luenell | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
 | SatMar 28 | 8:00 PM | CODICIADO - Así Es La Vida Tour | Music | Latin | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| SatMar 28 | 9:30 PM | Luenell | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
 | SunMar 29 | 1:00 PM | Empire Strykers V. St. Louis Ambush | Sports | Indoor Soccer | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| SunMar 29 | 6:00 PM | Edgar Rivera | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| WedApr 1 | 8:00 PM | Sarper Güven | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| ThuApr 2 | 6:00 PM | JR De Guzman: Boyfriend Material | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
 | ThuApr 2 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| FriApr 3 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| FriApr 3 | 7:30 PM | JR De Guzman: Boyfriend Material | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
 | FriApr 3 | 8:30 PM | Palomazo Norteño - Clase Maestra Tour | Music | Latin | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| FriApr 3 | 9:45 PM | JR De Guzman: Boyfriend Material | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
 | SatApr 4 | 6:00 PM | Ontario Reign vs. Bakersfield Condors | Sports | Hockey | Toyota Arena-CA | 4000 Ontario Center Parkway | All Ages | Free |
| SatApr 4 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
 | SatApr 4 | 7:00 PM | JR De Guzman | Music | Other | Ontario Improv | 4555 Mills Circle, Ontario, CA 91764 | All Ages | Free |
| SatApr 4 | 7:00 PM | JR De Guzman: Boyfriend Material | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| SatApr 4 | 9:30 PM | JR De Guzman: Boyfriend Material | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| TueApr 7 | 7:00 PM | Ontario Reign vs. Colorado Eagles | Sports | Hockey | Toyota Arena-CA | 4000 Ontario Center Parkway | All Ages | Free |
| WedApr 8 | 8:00 PM | Peter Sers | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| ThuApr 9 | 7:30 PM | High School Sucks: The Musical *Movie Pr... | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| FriApr 10 | 7:00 PM | Ontario Reign vs. Coachella Valley Fireb... | Sports | Hockey | Toyota Arena-CA | 4000 Ontario Center Parkway | All Ages | Free |
 | FriApr 10 | 7:30 PM | Lil Duval | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| FriApr 10 | 9:45 PM | Lil Duval | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
 | SatApr 11 | 7:00 PM | Rene Vaca's VACAFEST 2026 | Art & Theatre | Comedy | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
 | SatApr 11 | 7:00 PM | VACAFEST Outdoor VIP Pass - 2:00PM | Sports | Undefined | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| SatApr 11 | 7:00 PM | Lil Duval | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| SatApr 11 | 9:30 PM | Lil Duval | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| SunApr 12 | 6:00 PM | Lil Duval | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| TueApr 14 | 6:35 PM | Ontario Tower Buzzers vs. Fresno Grizzli... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| TueApr 14 | 8:00 PM | Open Mic at the Ontario Improv | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| WedApr 15 | 6:35 PM | Ontario Tower Buzzers vs. Fresno Grizzli... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| WedApr 15 | 8:00 PM | The Dirty Show | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| ThuApr 16 | 6:35 PM | Ontario Tower Buzzers vs. Fresno Grizzli... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
 | ThuApr 16 | 8:00 PM | Gene Pompa | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| FriApr 17 | 6:35 PM | Ontario Tower Buzzers vs. Fresno Grizzli... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| FriApr 17 | 7:00 PM | Ontario Reign vs. San Diego Gulls | Sports | Hockey | Toyota Arena-CA | 4000 Ontario Center Parkway | All Ages | Free |
| SatApr 18 | 6:00 PM | Ontario Reign vs. Abbotsford Canucks | Sports | Hockey | Toyota Arena-CA | 4000 Ontario Center Parkway | All Ages | Free |
| SatApr 18 | 6:05 PM | Ontario Tower Buzzers vs. Fresno Grizzli... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
 | SatApr 18 | 7:00 PM | Erik Griffin | Art & Theatre | Comedy | Ontario Improv | 4555 Mills Cir | All Ages | Free |
| SunApr 19 | 1:05 PM | Ontario Tower Buzzers vs. Fresno Grizzli... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| SunApr 19 | 6:00 PM | Barry Wallace | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
 | SunApr 19 | 7:00 PM | MercyMe - Wonder + Awe Tour | Music | Rock | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| WedApr 22 | 8:00 PM | Tino Cochino: The Love Bomb Comedy Tour | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| TueApr 28 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| WedApr 29 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| WedApr 29 | 8:00 PM | Von Decarlo | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| ThuApr 30 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| ThuApr 30 | 8:00 PM | Shuler King | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| FriMay 1 | 6:35 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| FriMay 1 | 7:30 PM | Shuler King | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| SatMay 2 | 6:05 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
 | SatMay 2 | 7:00 PM | Shoreline Mafia & Friends | Music | Hip-Hop/Rap | Toyota Arena | 4000 E. Ontario Center Parkway | All Ages | Free |
| SatMay 2 | 7:00 PM | Shuler King | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| SatMay 2 | 9:30 PM | Shuler King | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| SunMay 3 | 1:05 PM | Ontario Tower Buzzers vs. Lake Elsinore ... | Sports | ONT Field | 9375 E Riverside Dr | All Ages | Free | |
| WedMay 6 | 8:00 PM | The Vagina Dialogues with Kelly Davids | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free | |
| ThuMay 7 | 8:00 PM | Life Afterlife: Medium Travis Holp | Art & Theatre | Ontario Improv | 4555 Mills Cir | All Ages | Free |