A tunnel of love is seen in a 2010 episode of the show American Dad! called "May the Best Stan Win" and a tunnel of love is seen in a 2011 episode of the show SpongeBob SquarePants called "Tunnel of Glove".
In an American Dad! episode from 2010 titled "May the Best Stan Win" and a SpongeBob SquarePants episode from 2011 called "Tunnel of Glove", both feature scenes with tunnels that represent love or affection.