WHAT’S HAPPENING TODAY: FRIDAY, JULY 23 Pacífico/Mission Beach • SeaWorld Fireworks, 9:50 p.m., over Mission Bay • Bahia Belle, 6:30 p.m. to 12:30 a.m., board and exit the boat at the Bahia Resort Hotel or the Catamaran Hotel, (858) 539-7779, adult $10, child $3 La Jolla • Baby yoga, 10:30 a.m., La Jolla Library, 7555 Draper Ave., (858) 552-1657, free • Mommy & Me yoga, 11 a.m., La Jolla Library, 7555 Draper Ave., (858) 552-1657, free