Trying? Try harder! He heard the misfire - rather, the no-fire - and moved toward Spike, worrying that he couldn't handle the gun just yet after all instead of it simply being 'jammed'.

When it unexpectedly fires and the bullet pings, the Doctor ducks and covers his head, his ears ringing as the shot reverberates around the room.

When he looks back up, sure enough there's that piece of paper and next to it the bottom of the egg, slowly rocking on the floor. No Kaled mutant.

"Oh no. Fantastic. Marvellous. Just brilliant. Are you all right? Did you see where it went? Don't you think I'd better have the gun before you hurt yourself?" Yes, it's a barrage of questions Spike, just as the Doctor reaches for the note and reads it while looking around nervously, whisk at the ready.

"Fantastic. Marvellous. Brilliant. You could have told me this when I arrived!"