The fact is that JTT wanted to leave the series to pursue his own education in real life, and the workload of Home Improvement did not allow it. Jonathan Taylor played Randy Taylor in Home Improvement for seven seasons, but here's why he left the series and didn't appear in the final. Next, let's look at another problematic relationship. This one is between Jonathan Taylor Thomas and Tim Allen. Things broke down between the two of them once the actor decided to leave the show for other interests.
Although Allen understood the decision, he was not satisfied with the outcome and with the direction Thomas took. It was announced that Thomas would leave Home Improvement, which showed Wilson's face at the end of season 7, and Randy left the series during the second episode of season 8 when he and his girlfriend went to Costa Rica for a school program. Allen considered that Thomas's refusal was due to the fact that the young actor was upset with him for questioning his reasons for leaving Home Improvement. Jonathan Taylor Thomas wasn't quite direct about why he left Tim Allen and Home Improvement behind.