First Look: Animal Planet Special Goes Inside ASPCA's Behavioral Rehab Center, Where Dogs Are Learning to Be Dogs Again

Watch as the ASPCA staff works to rehabilitate one extremely frightened dachshund saved from a house with 53 other dogs

You’ve seen the sad faces in your Facebook feed or in the ASPCA’s TV commercials.

The dogs rescued by the American Society for the Prevention of Cruelty to Animals from horrific hoarding situations, the neglected pups saved from cruel lives outdoors — but where do they go? How are they rehabilitated?

A new special Second Chance Dogs airing April 16 on Animal Planet gives viewers a behind-the-scenes look at the ASPCA’s Behavioral Rehabilitation Center in New Jersey, that takes in these mistreated dogs and helps them become adoptable.

These pups are carefully work with trained professionals to improve their individualized needs and, after months of innovative care and the approval of the staff members, they are sent to shelters where they’ll hopefully find their forever.

In this clip from the special, given exclusively to PEOPLE, learn how the caring ASPCA staff works to rehabilitate one extremely frightened little dachshund, rescued from a hoarding situation.