In the third episode of Sky's The Limit, MAMMA MIA! has its first two-show day on Broadway (all the better for some Real Housewives), ensemble members Ethan Val Slyke and Justin Sudderth perform a MAMMA MIA! rap and Grant prepares for a glitzy opening night. Get tickets to MAMMA MIA!: https://www.broadway.com/shows/mamma-mia/
