BBC 'Sherlock' Season 4 Air Date, Spoilers & the BEST Christmas Gift Ideas for Sherlock Fans Everywhere

"Sherlock," starring Benedict Cumberbatch, will return to BBC next year for a single, one-hour episode that will air Christmas 2015. However, the full, three-episode fourth season of the series won't arrive until 2016.

For those who're sorely impatient and can't wait for the "devastating" fourth season that could include footage of Mary Morstan's death, there's tons of really awesome "Sherlock"-themed merchandise to tide you and other fans over until next holiday season when the one-episode special premieres. Trust me, these items are so cool even series co-creators Steven Moffat and Mark Gatiss would drop some cash for them.

Etsy, Amazon and numerous other sites feature a boatload of potential gift ideas for Sherlock fans, including refrigerator magnets, "I am SHER Locked" t-shirts, the who-dun-it game Cluedo Sherlock Edition, the "I'm Not a Psychopath" coffee mug, the 221B Sherlock iPhone silicone cases, the book "Sherlock: A Study in Scarlet" and the 15-piece Geocache Mini Glass Trading Stones. The gifts go on and on. Browse some of the images featured in this article to un(sher)lock (*rimshot*) some of the incredible gifts you could put on your wish list or gift to family or friends.

Also, BONUS teasers/gossip/spoilers for the upcoming season: Irene Adler (Lara Pulver) may return to "Sherlock" for Season 4. Sherlock's and Mary's close friend, Janine will return for the upcoming season. Moriarty won't be returning because he's dead! Tom Hiddleston ("Avengers") could join the cast the cast. Also, Cumberbatch said he'd loved to play the role of Sherlock forever, and future seasons are already being planned.