Had a bit of Star Trek marathon yesterday.
ENT "Minefield" and "Dead Stop" (a great double-bill)
(my mind wandered into the realm of fan-fic during it, about the rejuvinated figure marooned on that planetoid being Trip instead and telling Kirk he's Cochrane, then having to keep up the pretence. Before realising his mistake, asking "Don't tell them about me." Probably more an Abramsverse retelling.)
TNG "The Enemy"
and later that evening
DS9 "The House of Quark".