Three compelling works of dance-theater, with costumes by Jeff Award–winning designer Branimira Ivanova, bring a sizzle to Season 38 at Hubbard Street. In Resident Choreographer Alejandro Cerrudo’s The Impossible, an aging couple looks back on their youth; its poignant, surprising scenes raise intriguing questions about memory, mortality, partnership, and the resilience of the human spirit. In contrast, Gustavo Ramírez Sansano’s I am Mister B is a witty, exuberant, and fast-paced homage to the great ballet choreographer George Balanchine. This quicksilver piece — made exclusively for Hubbard Street — is set to the celebratory final movement of Tchaikovsky’s third suite for orchestra in G major, with gossamer, deep-blue set designs by Spanish artist Luis Crespo. Completing the program is a commanding world premiere from Lucas Crandall, creator of audience favorites Atelier, Gimme, and The Set. Crandall’s latest is a stage-filling work for the full ensemble, performed in boots, and inspired by the energy and velocity of stampedes.