Tom and Jessie take inventory of their past sexual partners. Phil's vacation plans hit a snag when Tara's past catches up with her passport.

When Wendy does a documentary on why marriages work or fail, the couples do interviews that forces them to rethink their relationships. Meanwhile, Tom just wants to fix a stubborn ceiling leak in the attic.

Phil pulls a Tom and asks Tara to marry him as a joke. But Tara gets serious and accepts his proposal. Tom divulges one of Carter's secrets which causes a major riff between the two.

Tom tries to spice up his cooking skills. Tara develops a nack for flirting and starts attending to a new guy, Jeff. Ben learns when and when not to use the phrase "my bad".

When Tara gives the Bellows a really awful painting she's made, Ben takes extreme measures to get rid of it. Tom and Jessie misplace a very embarrassing video they made.

When Phil's school pal Serena bikes into town with for a surprise visit, she has an unusual request. Jessie & Tom's sleep troubles lead to a temporary separation.

A row over toilet seat etiquette escalates into an all-out war of the sexes. Judith wants to re-enter the workforce. Phil disguises a turkey fryer as a coffee urn.

Tom discovers a positive pregnancy stick and suddenly everyone is pregnant. Wendy builds a family memory box for her school project.

Nature is never the same when the families roll onto the campground in an immense R/V. Tom & Jessie escape from their parents only to get lost in the woods.

When Tom ropes Carter into helping his father with taxes, Carter blossoms into the 'son Ben always wanted'. A heart-broken Ava crashes out at the loft, Jessie and Tom can't get seem to rid of her.

When Tom's cruel Grandmother discovers he's married, she croaks on the spot, leaving a guilt wracked Tom to invent nice things to say at her Eulogy. Phil builds a gate in the fence dividing their properties so that the Bellows can visit their Grandma's shrine.

Tom and Jessie exchange anniversary gifts.