The Turtles are in England, when they are taken back to the past, via an experimental atomic clock and must team up with Sherlock Holmes and Doctor Watson in order to get the clock back and return to the present.
Did You Know?
When the Turtles climb out of the secret passage into the Imperial War Museum, Leonardo is wearing Raphael's red in one scene. See more
Not bad, for a turtle.
Not bad for a skinny Englishman!
References The Spider Woman