We haven’t yet mapped out the time travel itinerary.
INDEXER NOTES (SPOILERS!)
Credits—The TV special was based on <a href='Rodgers_Hart%E2%80%99s_1927_Broadway_musical'>Rodgers & Hart’s 1927 Broadway musical</a>. The narrative structure (pr “book”) for the musical was put together by Herbert Fields, and of course, it was all based on Twain.