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.

Tom and Jessie finds jobs at the same book store, but Jessie is hired for the managing position and Tom is just the janitor. Ben discovers yoga to the dismay of Judith and Phil fights the squirrels running rampant in his backyard.

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.

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.