With the Wicked Witch of the West now vanquished from Oz, Tom and Jerry along with Dorothy are back in Kansas! But not for long as an all-new villain has surfaced from beneath the magical land, the Gnome King! Having captured the Good Witch, the Gnome King and his army are wreaking havoc throughout Oz and need but one item to take control of The Emerald City, Dorothy's ruby slippers! It's up to our favorite cat and mouse duo to team up, go Back to Oz and save the land they love. Take to the skies, courtesy of the Wizard himself, with Dorothy, Toto, the Scarecrow, the Tin Man and the Lion as they make their magical journey. The laughs and adventure will roar as they encounter all-new frights and mischievous creatures down the Yellow Brick Road, 'cause "we're not in Kansas anymore!"

With the Wicked Witch of the West now vanquished from Oz, Tom and Jerry along with Dorothy are back in Kansas! But not for long as an all-new villain has surfaced from beneath the magical land, the Gnome King! Having captured the Good Witch, the Gnome King and his army are wreaking havoc throughout Oz and need but one item to take control of The Emerald City, Dorothy's ruby slippers! It's up to our favorite cat and mouse duo to team up, go Back to Oz and save the land they love. Take to the skies, courtesy of the Wizard himself, with Dorothy, Toto, the Scarecrow, the Tin Man and the Lion as they make their magical journey. The laughs and adventure will roar as they encounter all-new frights and mischievous creatures down the Yellow Brick Road, 'cause "we're not in Kansas anymore!"

阳光多么明媚的一天，如果能逍遥自在度过该多好。可是汤姆和杰瑞这对冤家似乎从来不知该如何享受生活，他们辜负了大好的阳光，在房间内展开了疯狂的追逐战。两个小家伙的速度越来越快，俨然变成了飞驰的跑车。结果汤姆来不及刹车，狠狠地撞在墙上，变成了板凳。稍后他打算把墙锯断，最终弄巧成拙，被倒塌的墙拍在下面。追逐战再度开始，谁知杰瑞好像跑圈一样，一遍遍从汤姆身后超过，令老猫大为诧异。少顷，他们的战斗移到户外，竟然在高楼大厦的窗户外追杀起来。

一个年轻人来到了新的城市，住进了新租的公寓，可令他头痛的是，这件公寓里有许许多多奇怪的老鼠……

平静的夜晚，汤姆依靠在沙发上听美妙的音乐，间或惩治一下在厨房里闹翻天疯狂从冰箱里搬运食物的杰瑞。好不容易打发掉那个调皮的小家伙，他却从收音机里得到一条可怕的消息：一头凶猛的狮子从马戏团逃出，正在镇上游荡。汤姆吓得连忙管好门窗，并拿着猎枪守候在角落里。杰瑞却在地下室发现了躲藏起来的狮子。狮子受够了马戏团喧嚣的音乐和爆米花声，它希望返回非洲老家，并请求杰瑞帮它弄点吃的。

剧情简介：老鼠杰瑞住在新英格兰一栋大房子的墙里，跟一对老夫妇和睦相处。但他们独特、欢乐的关系没能永存：老夫妇去世，房子被卖给了一对年轻夫妇。杰…