Plot: Ben, Grandpa Max, and Gwen come upon a bizarre Christmas theme park run by an evil entity who thinks Grandpa Max is Santa Claus and proceeds to trap him.
Cast
Tara StrongBen Tennyson (voice)Tara Strong was 33 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Mon, Feb 12 1973
Meagan MooreGwen Tennyson (voice)Meagan Moore was 20 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Fri, Mar 28 1986
Paul EidingGrandpa Max (voice)Paul Eiding was 49 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Thu, Mar 28 1957
Dee Bradley BakerStinkfly / Wildmutt (voice)Dee Bradley Baker was 44 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Fri, Aug 31 1962
Steve BlumGhostfreak / Heatblast / Vilgax (voice)Steve Blum was 46 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Fri, Apr 29 1960
Richard McGonagleFour Arms (voice)Richard McGonagle was 60 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Tue, Oct 22 1946
Jim WardDiamondhead / Wildvine / XLR8 (voice)Jim Ward was 47 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Tue, May 19 1959
Fred TatascioreCannonbolt (voice)Fred Tatasciore was 38 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Thu, Jun 13 1968
Richard Steven HorvitzGrey Matter (voice)Richard Steven Horvitz was 40 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Fri, Jul 29 1966
Richard DoyleMr. Jingles (voice)Richard Doyle was 61 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Mon, Jan 01 1945
Kim Mai GuestElsgood / Grandkid / Kid #1 (voice)Kim Mai Guest was 37 in Ben 10 - Season 3 - Merry Christmas (Episode 4).
Birthday: Tue, Aug 05 1969