April 4, 2016 12:12 PM EDT

Since the season five finale of Game of Thrones aired in June, Kit Harington has found ways to dance around giving straight answers about Jon Snow’s fate. But on a recent episode of The Jonathan Ross Show, the 29-year-old actor was finally taken to task over his evasiveness. Host Jonathan Ross broke out his “Stone of Truth” and forced Harington to undergo a “lie-detector” test that included several questions about what was really going on with the Lord Commander of the Night’s Watch.

Read More: Game of Thrones Showrunners Say Fan Criticism in No Way Influenced Season 6

After explaining that Harington could answer “yes,” “no” or “I know nothing,” and that an unsatisfactory response would be met with an electric shock, Ross began his inquisition.

Watch the full clip above.

More Must-Read Stories From TIME

Write to Megan McCluskey at megan.mccluskey@time.com.

Read More From TIME
You May Also Like