Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_18173916_8 (friday VARCHAR, tuesday VARCHAR)
### Question:
which episode was Transmitted on friday if the episode of "414 insanely twisted shadow planet" was transmitted on tuesday? 
### Answer:
SELECT friday FROM table_18173916_8 WHERE tuesday = "414 Insanely Twisted Shadow Planet"