‘Little Couple’ Star Jen Arnold Heads Into Her Last Round of Chemo (Exclusive Video)

The new mom is feeling both dread and hope as she reaches the end of her treatment on the TLC series

“Little Couple” star Jen Arnold has balanced both joy and challenges this season on the TLC series. But things are looking up on Tuesday’s new episode.

While fulfilling their dream of building a family with the adoptions of Will and Zoey, Bill Klein and his wife have had the unfortunate luck of her rare cancer diagnosis.

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Through hair loss, complications over drug doses due to her size, and four months of chemotherapy, Jen approaches the day she (and the show’s dedicated fans) have been praying for: Her last round of chemo.

In TheWrap’s exclusive preview, Jen prepares to head out to the hospital, but has mixed feelings about finishing her treatment.

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In February, Jen announced her cancer was in remission.

“I had my official last chemo treatment,” Arnold said. “And while I’m hesitant to say I’m cancer-free – maybe that’s common for people who have had cancer – I’m doing great. Everything is moving in the right direction. I am very excited.”

Watch the video above.

“The Little Couple” airs Tuesdays at 9 p.m. on TLC.