This review is from: Flip-flop (Doctor Who) (Audio CD)
For me the best Big Finish Plays are those that keep your concentration from begining to last with a complex plot that needs a couple of relistens to fully get your head round.
Blink is often cited as one of the best ever TV episodes for its intricate plotting and i believe Flip Flop stands as one of the very best Big Finish Plays for this very same reason. Your head is often left boggling with the complexities thrown up by time travel (ie the cast of characters being in more than 1 place at 1 time) but Morris has obviously thought things through exceptionally well as i still cannot see a flaw in his design.
The biggest compliment i can give this play is that whenever i finish listening to it i want to go back to the begining and start all over again: not something i can say for many BF plays whose plots i find too linear.