Bill and Jen's son is turning four soon and the parents want to celebrate his achievements
Will's fourth birthday is approaching on TLC's “The Little Couple.”
In preparation for the big day, parents Bill Klein and Jen Arnold want to honor all that he's achieved and plan a big party.
In TheWrap's exclusive preview, Will goes to work with Bill at their pet shop, Rocky & Maggie's in Houston. And while the guys are away, the girls plan Will's party.
Also on Tuesday's episode, Bill shows Will how much he's grown with a growth chart. Plus, Jen takes advantage of her time alone with Zoey to put together a little play tea party.
Watch the preview above.
“The Little Couple” airs Tuesdays at 10 p.m. on TLC.