"Separation Anxiety" is the fifth season premiere of which American spy thriller drama television series,  and the 49th episode overall, that premiered on Showtime on October 4, 2015? 
Homeland
Title: Turn! Turn! Turn! (True Blood)
Passage: "Turn!  Turn!  Turn!"  is the first episode of the fifth season of HBO's television series "True Blood" and 49th episode overall.  It first aired on HBO on June 10, 2012 and written by Brian Buckner and directed by Daniel Minahan.  The episode's ratings were naturally good, and so far the episode's ratings are better than all of the other episodes of the season.  The season itself is based on The Sookie Stackhouse Novels' fifth book, "Dead as a Doornail".  The episode picks up with the fourth season's characters and resumes their stories: Sookie and Lafayette's response to Debbie Pelt's attack; Bill and Eric's efforts to evade the Vampire Authority; Alcide's werewolf pack's hounding of Sam in pursuit of their missing leader Marcus.  The episode also introduces new characters Nora Gainsborough (played by Lucy Griffiths) and Judge Clements (Conor O'Farrell).
Title: Separation Anxiety (Homeland)
Passage: "Separation Anxiety" is the fifth season premiere of the American television drama series "Homeland", and the 49th episode overall.  It premiered on Showtime on October 4, 2015.
Title: Homeland (TV series)
Passage: Homeland is an American spy thriller television series developed by Howard Gordon and Alex Gansa based on the Israeli series "Prisoners of War" (Original title חטופים "Hatufim ", literally "Abductees"), which was created by Gideon Raff.
Title: Thanks for the Memories (Grimm)
Passage: "Thanks for the Memories" is the 1st episode and season premiere of season 4 of the supernatural drama television series "Grimm" and the 67th episode overall, which premiered on October 24, 2014, on the cable network NBC.  The episode was written by series creators David Greenwalt and Jim Kouf and was directed by Norberto Barba.
Title: Fugitive (Grimm)
Passage: "Fugitive" is the 1st episode and season premiere of season 6 of the supernatural drama television series "Grimm" and the 111th episode overall, which premiered on January 6, 2017, on the cable network NBC.  The episode was written by series creators David Greenwalt and Jim Kouf and was directed by Aaron Lipstadt.
Title: The Grimm Identity
Passage: "The Grimm Identity" is the 1st episode and season premiere of season 5 of the supernatural drama television series "Grimm" and the 89th episode overall, which premiered on October 30, 2015, on the cable network NBC.  The episode was written by series creators David Greenwalt and Jim Kouf and was directed by Eric Laneuville.  In the episode, Nick is hell bent on finding Trubel after she is kidnapped and goes after Agent Chavez, deducing she may be responsible.  Meanwhile, Adalind starts going into labor while Nick and the group discover a new threat is arriving at Portland.
Title: Heavy Is the Head (Scandal)
Passage: "Heavy Is the Head" is the season premiere of the fifth season of the American political thriller television series "Scandal", and the 70th episode overall.  It aired on September 24, 2015 on American Broadcasting Company (ABC) in the United States.  The episode was written by showrunner Shonda Rhimes and directed by executive producer Tom Verica.  The episode focuses on the newly mended relationship with Olivia and Fitz, in addition to the scandal in which the Princess of Caledonia is killed and Olivia is hired to make sure the Royal family's private life stays private.
Title: Day 5: 7:00 a.m. – 8:00 a.m.
Passage: "Day 5: 7:00 a.m. – 8:00 a.m." is the fifth season premiere and the ninety-seventh episode overall of the Fox television series "24".  It was written by executive producer Howard Gordon and directed by co-executive producer Jon Cassar.  The episode was broadcast as the first hour of a two-night, four-hour season premiere, airing at 8:00 p.m. on Sunday, January 15, 2006.  The premiere was pre-empted by fifteen minutes on the East Coast by an NFL Playoff Game.
Title: List of All-Stars and Pahkitew Island episodes
Passage: This is a list of the episodes for "Total Drama All-Stars" and "Total Drama: Pahkitew Island", two segments which make up the fifth season of the "Total Drama" series, a Canadian animated television series.  This season is a sequel to "Total Drama Island", "Total Drama Action", "Total Drama World Tour", and "".  This season also features the 100th episode of the whole series, which aired in Canada on February 27, 2014.  The series' 100th episode is the 9th episode of this season which is called "Zeek and Ye Shall Find".  The first episode was the highest viewed telecast on Cartoon Network for the week of the season premiere.  This season is twenty-six episodes long, each episode twenty-two minutes in length, excluding commercials.
Title: Hopeless (True Blood)
Passage: Hopeless is the sixth episode of the fifth season of HBO's original series "True Blood" and the 54th episode overall.  It was first shown on TV on July 15, 2012 and was directed by Dan Attias and written by Alan Ball, creator of the series.  The episodes of the series are based on the Charlaine Harris books, The Sookie Stackhouse novels whereas the episodes of the season are based on the fifth book in the series "Dead As a Doornail (book)" which follows the Shifters being murdered whereas in the season fang bangers and shifters are being hunted.  Even so, the plot of the book is only one of the minor subplots.  The episode primarily follows Bill and Eric who must now face Russell again after Roman is killed by him; Sookie and Jason go to a faery club where their family's dark history and greatest secrets are revealed to them.  Meanwhile, Sam volunteers to assist Andy with a case.  The episode was precceeded by "Let's Boot and Rally" and was followed by "In the Beginning", which picks up the events of "Hopeless."  The episode received fair reviews from critics.  The episode ended several minutes earlier than the timeslot filled, as it was about 50 minutes or so, which notably also happened in "Let's Boot and Rally".  Stephen Moyer will pick up the events of In the Beginning.  As of 2012 the episode has received the most ratings only behind by the season premiere episode "Turn, Turn, Turn! "
Homeland (TV series) Separation Anxiety (Homeland)