Balls of Steel was a Channel 4 comedy series developed by Objective Productions and hosted by Mark Dolan. Dolan's special guests would perform stunts and hold their nerve during hidden camera set-ups in the presence of celebrities or the British public. Massive Balls of Steel, the spin-off series to Balls of Steel was shown on E4, showing highlights of the show.

Matthew Pritchard, Alex Zane, Thaila Zucchi, Neg Dupree, Jenni Davies, Ross Lee