Britain's Got Talent Season 18: Episode Guide & Ratings

Britain’s Got Talent makes a triumphant return to the stage as judges Simon Cowell, Amanda Holden, Alesha Dixon and Bruno Tonioli and guest judge KSI reunite with hosts Ant & Dec in the search for Britain’s next talented superstar... and it’s set to be a golden year.

Performing for the judges this week are prehistoric rockers Heavysaurus, dancer Binita Chetry, singing sensation Stacey, and more surprises along the way.

The nation's most beloved talent competition continues with more thrilling acts performing for Simon Cowell, Amanda Holden, Alesha Dixon, Bruno Tonioli guest judge KSI.

The nation's most beloved talent competition continues with more top-quality acts performing for Simon Cowell, Amanda Holden, Alesha Dixon, Bruno Tonioli and guest judge KSI.

The nation's most beloved talent competition continues with even more top-quality acts performing for Simon Cowell, Amanda Holden, Alesha Dixon, Bruno Tonioli and guest judge KSI.

The nation's most beloved talent competition continues with a fresh group of acts performing for Simon Cowell, Amanda Holden, Alesha Dixon, Bruno Tonioli and guest judge KSI.

The nation's most beloved talent competition continues with a new group of acts performing for Simon Cowell, Amanda Holden, Alesha Dixon, Bruno Tonioli and guest judge KSI.

The nation's most beloved talent competition continues with a new group of acts performing for Simon Cowell, Amanda Holden, Alesha Dixon, Bruno Tonioli and guest judge KSI.

It's the semi-finals and the first eight acts who impressed the judges during the audition stages perform for their lives!

It's the second round of the semi-finals! The next eight acts who made it through the audition rounds perform like their lives depend on it!