In a look ahead at a week of Cambridge and Somerville events, there is the “La Sonnambula” opera, the unveiling of a life-size robot sculpture, an epic improv comedy fest, and theater, dance, movies and poetry, from DeWitt Henry to Olivia Gatwood, much of it free.

In a look ahead at a week of Cambridge and Somerville events, there’s the Rebel Revels wine party, a Bookstore Romance Day panel, plenty of poetry, tons of dance, and a bunch of free movies, not to mention trivia, food festivals and historical talks.

In a look ahead at a week of Cambridge and Somerville events, the Ignite! food and fire festival returns, the Tanglewood Marionettes are in town for a daytime kids show, there’s free ice cream, a “Carmina Burana” open sing, a class on Risky Quickies and much more.

In a look ahead at a week of Cambridge and Somerville events, there are Openair Circus performances, Pulitzer Prize-winning author Richard Russo reads from his latest, Beyond the 4th Wall presents an “Addams Family” musical, there’s lots of opera, comedy and more.

In a look ahead at a week of Cambridge and Somerville events, there’s a Lunar Day followed by Moon Shots and satellite-inspired plays, Chuck Klosterman with Tom Perrotta, the Ragtag circus does two nights, we hear from “The Trumpiad” and much more.

In a look ahead at a week of Cambridge and Somerville events, Praxis Stage brings us “Hamlet’ in the park, Ruckus brings us a rooftop dance show and party, there’s a “Mapuccino” art show reception, poetry and comedy, free films, pingpong tournaments and more.

In a look ahead at a week of Cambridge and Somerville events, there are a couple of dance festivals, musical events, readings of poetry and other works, a free summer solstice event and much more.

In a look ahead at a week of Cambridge and Somerville events, The Moth MainStage leads off a bunch of storytelling (including the Third Annual Fan Fiction Theatre), the 40th Annual Boston Dragon Boat Festival arrives, there’s an intriguing staged reading and much more.

In a look ahead at a week of Cambridge and Somerville events, there’s the 40th Cambridge Arts River Festival, Big Gay Dance Party, Carnaval Somerstreets, “Happy Hour: Secret History of Boston’s Suburbs” from Dig and CityLab, “Gaslight” and much more.

Transportation officials think a relative few casino-goers will try to drive to the Encore Boston Harbor casino in Everett through Cambridge and Somerville before realizing it’s a mistake – though they may try again when MBTA bridge closings are over.