Midweek caving often takes on some bizarre themes, trust me, but this week's episode really was something else. Due to an interlude up in Orkney, I'd been out of contact with the group for a few weeks, but the last time I was underground on a Tuesday was a super little trip into Sidetrack Cave, after which we were called out to an injured lady in West Mine at Alderley Edge. But, sandwiched between the two events, was a short get-together in the Peaks Hotel where we discussed forthcoming trips. Katie suggested Megatron ....