In the sermon "Teamwork Makes the Kingdom Work," Pastor Robb highlights the importance of unity and collaboration in the Christian faith. He draws parallels between the Dream Team in the 1992 Olympics and the body of Christ, emphasizing the need for every believer to use their gifts for the benefit of the church. The sermon focuses on fellowship, accountability, and mutual support within the church community. Pastor Robb encourages engagement through joining core groups and serving in ministry areas, stressing the significance of being actively involved in the life of the church to strengthen faith and fulfill the mission of Jesus.