The title references It's a Wonderful Life (1946) by Frank Capra.
In the scene where Cesare (Enrico Brignano) meets Laura (Luisa Ranieri) at a cafè, a movie poster is visible in the background. It's the poster of Un'estate ai Caraibi (2009), also directed by Carlo Vanzina and starring same Enrico Brignano and also Gigi Proietti.
Final movie role for Vincenzo Crocitti.