Series 3 of Wizards vs Aliens began airing on the 27th October 2014 and ended on the 25th November 2014.
- This series featured a number of differences to its preceding two.
- The Nekross King (Brian Blessed) is not present in this series. He is revealed to have retired to Nekron in the aftermath of Series 2 to avoid devourment by his people.
- Varg is recasted, with Jefferson Hall replaced by Kristian Phillips. He is revealed to have ascended from Prince of Nekron to Regent King in light of his father's retirement.
- Lady Lyzera (Alex Childs), Varg's wife and secret Nekross sorceress who he married as part of his ascension to Regent, is introduced as a new villain in the series. Another new character introduced is Lyzera's pet bird Eelix (voiced by Lewis Macleod).
- Varg's sister and Princess of Nekron, Lexi (Gwendoline Christie), is no longer present as a main character following being turned into a human living a peaceful life with Benny Junior in the series 2 finale.
- This series consisted of only 10 episodes (5 stories), making it the shortest series to date.
- An important milestone occurs in the series premiere, The Secret of Room 12, featuring the appearance of a second humanoid alien species following only the Nekross themselves.
- Jathro (Tom Bell), who first appeared in the penultimate two-parter of Series 1 and acted as a secondary villain to his mother throughout Series 2, returns in hiding on Earth in The Quantum Effect. He appears one last time in The Key of Bones before meeting his final punishment for betraying his Nekross superiors.
- Benny Sherwood (Percelle Ascott) departs as a main character in The Quantum Effect.
- Katie Lord (Manpreet Bambra), Tom and Benny's classmate and Tom's love interest, briefly learns of Tom's nature as a wizard, but believing she couldn't handle the stress of worrying about him in his fight against the Nekross, asks him to perform a spell to wipe her memory in The Daughters of Stone.
- A new character, Simeon Swann (Trevor Cooper), grandfather of Tom Clarke (Scott Haran) and husband of Ursula Crowe (Annette Badland), is introduced starting in The Daughters of Stone and departs in The Key of Bones.
- Another new character, Jazz James, is introduced in the finale story, Twilight Falls.
Episode Guide Edit
|Story no.||Episode no.||
|The Secret of Room 12||27th October 2014|
|The Quantum Effect||3rd November 2014|
4th November 2014
|The Daughters of Stone||10th November 2014|
11th November 2014
|The Key of Bones||17th November 2014|
18th November 2014
|Twilight Falls||24th November 2014|
25th November 2014
- The BBC originally announced that this series would air partly in 2015. However, this was later proven not to be the case.