Year One
- Blwyddyn: 2009
- Gwlad: United States of America
- Genre: Comedy, Adventure
- Stiwdio: Columbia Pictures, Apatow Productions, Ocean Pictures
- Allweddair: temple, circumcision, slavery, stone age, prehistory, cavemen, duringcreditsstinger, prehistoric man, hilarious
- Cyfarwyddwr: Harold Ramis
- Cast: Jack Black, Michael Cera, Oliver Platt, David Cross, Christopher Mintz-Plasse, Vinnie Jones