Showtime

Look it up at Wiktionary.

Upon returning from the future in the TARDIS and telling Rob Brydon that it would all turn out fine, Agnes Brown declared "it's showtime!" before laughing. (TV: It's Showtime (part 2) ^[+]Loading...{"part":"2","1":"It's Showtime (TV story)"})

Agnes Brown: "It's showtime!" (TV: It's Showtime (part 2) ^[+]Loading...{"part":"2","1":"It's Showtime (TV story)"})