MONMOUTH — Theater at Monmouth’s 43rd summer season continues with a one-night event, “The Harold: Improv with a Twist,” at 7:30 p.m. Thursday, Aug. 16.

Recommended for mature audiences, “The Harold” features the comedic talents of long-form improvisational troupe The Focus Group, made up of actors, teachers, writers and other comedy professionals. The evening features the comedic stylings of TAM audience favorite Dennis A. Price.

Like “Whose Line is it Anyway,” “Saturday Night Live” and “MADD TV,” “The Harold” crafts detailed scene work, screwball characters and outlandish relationships into intricate improvisational shows from a single audience suggestion.

“Harold” is the name of the long-form improvisational structure created by Del Close at Second City in Chicago in 1967. Since then, it has been performed by improvisational theater companys worldwide. While the form does follow a certain structure, in the words of Close, “The first rule is — there are no rules.”

The Focus Group was formed in January 2009 by a group of like-minded friends. Since then, they have performed at various venues, including last fall’s Comedy Riot, downtown Bangor’s New Year Countdown at the Opera House, the Portland Improv Festival, Verve in Orono and their home stage at Next Generation Theatre in Brewer.

For tickets, $20-$26, call 933-9999 or visit www.theateratmonmouth.org. Depending on availability, rush tickets may be purchased for $10, 10 minutes before curtain.