Michael and Holly embrace their new relationship on Valentine's Day in the traditional manner: PDA ... and a lot of it.

As it turns out, when Michael goes missing without his keys, cell phone or wallet, Holly is the key to finding him.

Interacting with his American counterpart, Ricky Gervais makes a cameo on The Office that may tickle your fancy ... that's what she said!

Beaver is back on Greek, and so, get working on your dirty Leave It to Beaver jokes ... Those jokes may actually save this lackluster episode.

New Year's resolutions are causing some headaches and hearaches.  Michael deals with Holly's ultimatum, Kevin meets the wrong end of a piece of broccoli, and Daryl, Dwight and Andy go searching for ladies.

Casey becomes a housemother, Dale enters Greek life, and one unlucky reptile gets caught in the middle of rebel activity.

Casey's former boss, Joel, writes her a bad letter of recommendation for law school; Ashleigh faces the real world, and Evan deals with his financial woes.

It's christmas in The Office, so like any holiday, there are all sorts of disputes and arguments.  The snowball war wages between Dwight and Jim, and Michael finally confronts Holly about their relationship.

Michael's lost love, Holly, returns just in time for the Christmas Party - the subject of more than one funny episode in the past.

Michael and Oscar debate the facts about China; Dwight cuts back on office expenditures.